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121022121001012 = 227111182133239909
BaseRepresentation
bin11011100001000110101000…
…100010000100000000110100
3120212111121020200202202002021
4123201012220202010000310
5111330311300434013022
61105220443405122524
734330362656302420
oct3341065042040064
9525447220682067
10121022121001012
113561a2142a0620
12116a6a93559444
13526b44c631c0a
1421c5705353b80
15ded0e2e4c7c7
hex6e11a8884034

121022121001012 has 48 divisors (see below), whose sum is σ = 264070609165440. Its totient is φ = 47147485507200.

The previous prime is 121022121001007. The next prime is 121022121001013. The reversal of 121022121001012 is 210100121220121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121022121001013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12979087 + ... + 20260822.

It is an arithmetic number, because the mean of its divisors is an integer number (5501471024280).

Almost surely, 2121022121001012 is an apocalyptic number.

It is an amenable number.

121022121001012 is an abundant number, since it is smaller than the sum of its proper divisors (143048488164428).

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

121022121001012 is a wasteful number, since it uses less digits than its factorization.

121022121001012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33251752 (or 33251750 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 121022121001012 its reverse (210100121220121), we get a palindrome (331122242221133).

The spelling of 121022121001012 in words is "one hundred twenty-one trillion, twenty-two billion, one hundred twenty-one million, one thousand, twelve".

Divisors: 1 2 4 7 11 14 22 28 44 77 154 308 11821 23642 47284 82747 130031 165494 260062 330988 520124 910217 1820434 3640868 33239909 66479818 132959636 232679363 365638999 465358726 731277998 930717452 1462555996 2559472993 5118945986 10237891972 392928964289 785857928578 1571715857156 2750502750023 4322218607179 5501005500046 8644437214358 11002011000092 17288874428716 30255530250253 60511060500506 121022121001012