232121022000 has 160 divisors (see below), whose sum is σ = 855266640384. Its totient is φ = 53056224000.

The previous prime is 232121021989. The next prime is 232121022011. The reversal of 232121022000 is 220121232.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (232121021989) and next prime (232121022011).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2721346 + ... + 2805345.

Almost surely, 2^232121022000 is an apocalyptic number.

232121022000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

232121022000 is an abundant number, since it is smaller than the sum of its proper divisors (623145618384).

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

232121022000 is a wasteful number, since it uses less digits than its factorization.

232121022000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5526724 (or 5526708 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 232121022000 its reverse (220121232), we get a palindrome (232341143232).

The spelling of 232121022000 in words is "two hundred thirty-two billion, one hundred twenty-one million, twenty-two thousand".