13221211084 has 12 divisors (see below), whose sum is σ = 23341873464. Its totient is φ = 6552104384.

The previous prime is 13221211079. The next prime is 13221211127. The reversal of 13221211084 is 48011212231.

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, 14624782 + ... + 14625685.

It is an arithmetic number, because the mean of its divisors is an integer number (1945156122).

Almost surely, 2^13221211084 is an apocalyptic number.

It is an amenable number.

13221211084 is a deficient number, since it is larger than the sum of its proper divisors (10120662380).

13221211084 is a wasteful number, since it uses less digits than its factorization.

13221211084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29250584 (or 29250582 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 25.

The spelling of 13221211084 in words is "thirteen billion, two hundred twenty-one million, two hundred eleven thousand, eighty-four".