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121300321230 = 234511234331367
BaseRepresentation
bin111000011111000010…
…0000000001111001110
3102121002121221202220000
41300332010000033032
53441410340234410
6131420302505130
711522635501254
oct1607604001716
9377077852800
10121300321230
1147496961770
121b6132951a6
13b59170560a
145c29d0c5d4
15324e20adc0
hex1c3e1003ce

121300321230 has 320 divisors, whose sum is σ = 372414163968. Its totient is φ = 28042122240.

The previous prime is 121300321223. The next prime is 121300321231. The reversal of 121300321230 is 32123003121.

121300321230 is a `hidden beast` number, since 1 + 21 + 300 + 321 + 23 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121300321231) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 88734007 + ... + 88735373.

Almost surely, 2121300321230 is an apocalyptic number.

121300321230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 121300321230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (186207081984).

121300321230 is an abundant number, since it is smaller than the sum of its proper divisors (251113842738).

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

121300321230 is a wasteful number, since it uses less digits than its factorization.

121300321230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1853 (or 1844 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 121300321230 its reverse (32123003121), we get a palindrome (153423324351).

The spelling of 121300321230 in words is "one hundred twenty-one billion, three hundred million, three hundred twenty-one thousand, two hundred thirty".