321224220001232 has 80 divisors (see below), whose sum is σ = 625039219334400. Its totient is φ = 159925328709120.

The previous prime is 321224220001213. The next prime is 321224220001271. The reversal of 321224220001232 is 232100022422123.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18141077723 + ... + 18141095429.

It is an arithmetic number, because the mean of its divisors is an integer number (7812990241680).

Almost surely, 2^{321224220001232} is an apocalyptic number.

It is an amenable number.

321224220001232 is a deficient number, since it is larger than the sum of its proper divisors (303814999333168).

321224220001232 is a wasteful number, since it uses less digits than its factorization.

321224220001232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22924 (or 22918 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 321224220001232 its reverse (232100022422123), we get a palindrome (553324242423355).

The spelling of 321224220001232 in words is "three hundred twenty-one trillion, two hundred twenty-four billion, two hundred twenty million, one thousand, two hundred thirty-two".