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121422121224120 = 233251572148303631
BaseRepresentation
bin11011100110111011001010…
…011001110100011110111000
3120220220211201101202110010100
4123212323022121310132320
5111403340001013132440
61110124315154115400
734401313233143043
oct3346731231643670
9526824641673110
10121422121224120
1135763917a65602
121175050687bb60
13529a09801a972
1421dac0d573c5a
15e0870488c230
hex6e6eca6747b8

121422121224120 has 96 divisors (see below), whose sum is σ = 397135409411520. Its totient is φ = 32172995162880.

The previous prime is 121422121224067. The next prime is 121422121224127. The reversal of 121422121224120 is 21422121224121.

121422121224120 is a `hidden beast` number, since 1 + 2 + 1 + 4 + 221 + 2 + 1 + 22 + 412 + 0 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121422121224127) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1074095296 + ... + 1074208335.

It is an arithmetic number, because the mean of its divisors is an integer number (4136827181370).

Almost surely, 2121422121224120 is an apocalyptic number.

121422121224120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121422121224120 is an abundant number, since it is smaller than the sum of its proper divisors (275713288187400).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121422121224120 is a wasteful number, since it uses less digits than its factorization.

121422121224120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2148303805 (or 2148303798 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 27.

Adding to 121422121224120 its reverse (21422121224121), we get a palindrome (142844242448241).

Subtracting from 121422121224120 its reverse (21422121224121), we obtain a palindrome (99999999999999).

The spelling of 121422121224120 in words is "one hundred twenty-one trillion, four hundred twenty-two billion, one hundred twenty-one million, two hundred twenty-four thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 18 20 24 30 36 40 45 60 72 90 120 157 180 314 360 471 628 785 942 1256 1413 1570 1884 2355 2826 3140 3768 4710 5652 6280 7065 9420 11304 14130 18840 28260 56520 2148303631 4296607262 6444910893 8593214524 10741518155 12889821786 17186429048 19334732679 21483036310 25779643572 32224554465 38669465358 42966072620 51559287144 64449108930 77338930716 85932145240 96673663395 128898217860 154677861432 193347326790 257796435720 337283670067 386694653580 674567340134 773389307160 1011851010201 1349134680268 1686418350335 2023702020402 2698269360536 3035553030603 3372836700670 4047404040804 5059255051005 6071106061206 6745673401340 8094808081608 10118510102010 12142212122412 13491346802680 15177765153015 20237020204020 24284424244824 30355530306030 40474040408040 60711060612060 121422121224120