232332402001221 has 64 divisors (see below), whose sum is σ = 368119555840000. Its totient is φ = 144388854567936.

The previous prime is 232332402001213. The next prime is 232332402001229. The reversal of 232332402001221 is 122100204233232.

232332402001221 is a `hidden beast` number, since 2 + 3 + 2 + 3 + 32 + 402 + 0 + 0 + 1 + 221 = 666.

It is an interprime number because it is at equal distance from previous prime (232332402001213) and next prime (232332402001229).

It is not a de Polignac number, because 232332402001221 - 2³ = 232332402001213 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232332402001229) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 27909285 + ... + 35264613.

It is an arithmetic number, because the mean of its divisors is an integer number (5751868060000).

Almost surely, 2^{232332402001221} is an apocalyptic number.

It is an amenable number.

232332402001221 is a deficient number, since it is larger than the sum of its proper divisors (135787153838779).

232332402001221 is a wasteful number, since it uses less digits than its factorization.

232332402001221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7356343 (or 7356337 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 232332402001221 its reverse (122100204233232), we get a palindrome (354432606234453).

The spelling of 232332402001221 in words is "two hundred thirty-two trillion, three hundred thirty-two billion, four hundred two million, one thousand, two hundred twenty-one".