102321013121232 has 80 divisors (see below), whose sum is σ = 265319053202112. Its totient is φ = 33979449047040.

The previous prime is 102321013121231. The next prime is 102321013121279. The reversal of 102321013121232 is 232121310123201.

It is a super-2 number, since 2×102321013121232² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102321013121231) 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, 18433378 + ... + 23333054.

Almost surely, 2^{102321013121232} is an apocalyptic number.

102321013121232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102321013121232 is an abundant number, since it is smaller than the sum of its proper divisors (162998040080880).

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

102321013121232 is a wasteful number, since it uses less digits than its factorization.

102321013121232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4901316 (or 4901310 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 102321013121232 its reverse (232121310123201), we get a palindrome (334442323244433).

The spelling of 102321013121232 in words is "one hundred two trillion, three hundred twenty-one billion, thirteen million, one hundred twenty-one thousand, two hundred thirty-two".