232122121020 has 72 divisors (see below), whose sum is σ = 704431976976. Its totient is φ = 61870378752.

The previous prime is 232122120977. The next prime is 232122121039. The reversal of 232122121020 is 20121221232.

232122121020 is a `hidden beast` number, since 232 + 1 + 221 + 210 + 2 + 0 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 232122120984 and 232122121002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 88059 + ... + 687021.

It is an arithmetic number, because the mean of its divisors is an integer number (9783777458).

Almost surely, 2^232122121020 is an apocalyptic number.

232122121020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

232122121020 is an abundant number, since it is smaller than the sum of its proper divisors (472309855956).

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

232122121020 is a wasteful number, since it uses less digits than its factorization.

232122121020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 601131 (or 601126 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 232122121020 its reverse (20121221232), we get a palindrome (252243342252).

The spelling of 232122121020 in words is "two hundred thirty-two billion, one hundred twenty-two million, one hundred twenty-one thousand, twenty".