321120312232 has 32 divisors (see below), whose sum is σ = 609625715400. Its totient is φ = 158561632000.

The previous prime is 321120312223. The next prime is 321120312239. The reversal of 321120312232 is 232213021123.

It can be written as a sum of positive squares in 4 ways, for example, as 279064966756 + 42055345476 = 528266^2 + 205074^2 .

It is not an unprimeable number, because it can be changed into a prime (321120312239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 196519 + ... + 825142.

Almost surely, 2^321120312232 is an apocalyptic number.

It is an amenable number.

321120312232 is a deficient number, since it is larger than the sum of its proper divisors (288505403168).

321120312232 is a wasteful number, since it uses less digits than its factorization.

321120312232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1022157 (or 1022153 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 321120312232 its reverse (232213021123), we get a palindrome (553333333355).

The spelling of 321120312232 in words is "three hundred twenty-one billion, one hundred twenty million, three hundred twelve thousand, two hundred thirty-two".