321321132012 has 24 divisors (see below), whose sum is σ = 750501341296. Its totient is φ = 106999610688.

The previous prime is 321321131987. The next prime is 321321132049. The reversal of 321321132012 is 210231123123.

It is a self number, because there is not a number n which added to its sum of digits gives 321321132012.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13416703 + ... + 13440630.

Almost surely, 2^321321132012 is an apocalyptic number.

It is an amenable number.

321321132012 is an abundant number, since it is smaller than the sum of its proper divisors (429180209284).

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

321321132012 is a wasteful number, since it uses less digits than its factorization.

321321132012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26858337 (or 26858335 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 321321132012 its reverse (210231123123), we get a palindrome (531552255135).

The spelling of 321321132012 in words is "three hundred twenty-one billion, three hundred twenty-one million, one hundred thirty-two thousand, twelve".