121231233100032 has 144 divisors (see below), whose sum is σ = 353028335080512. Its totient is φ = 36627725352960.

The previous prime is 121231233100027. The next prime is 121231233100039. The reversal of 121231233100032 is 230001332132121.

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

It is a junction number, because it is equal to n+sod(n) for n = 121231233099975 and 121231233100011.

It is not an unprimeable number, because it can be changed into a prime (121231233100039) 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, 18444253 + ... + 24138204.

Almost surely, 2^{121231233100032} is an apocalyptic number.

121231233100032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121231233100032 is an abundant number, since it is smaller than the sum of its proper divisors (231797101980480).

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

121231233100032 is a wasteful number, since it uses less digits than its factorization.

121231233100032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42582824 (or 42582810 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 121231233100032 its reverse (230001332132121), we get a palindrome (351232565232153).

The spelling of 121231233100032 in words is "one hundred twenty-one trillion, two hundred thirty-one billion, two hundred thirty-three million, one hundred thousand, thirty-two".