320412251332 has 12 divisors (see below), whose sum is σ = 561095514000. Its totient is φ = 160099247336.

The previous prime is 320412251329. The next prime is 320412251353. The reversal of 320412251332 is 233152214023.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 320412251332.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26712838 + ... + 26724829.

It is an arithmetic number, because the mean of its divisors is an integer number (46757959500).

Almost surely, 2^320412251332 is an apocalyptic number.

It is an amenable number.

320412251332 is a deficient number, since it is larger than the sum of its proper divisors (240683262668).

320412251332 is a wasteful number, since it uses less digits than its factorization.

320412251332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53439170 (or 53439168 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 320412251332 its reverse (233152214023), we get a palindrome (553564465355).

The spelling of 320412251332 in words is "three hundred twenty billion, four hundred twelve million, two hundred fifty-one thousand, three hundred thirty-two".