12221138884 has 12 divisors (see below), whose sum is σ = 22512624400. Its totient is φ = 5788960488.

The previous prime is 12221138861. The next prime is 12221138911. The reversal of 12221138884 is 48883112221.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80402154 + ... + 80402305.

Almost surely, 2^12221138884 is an apocalyptic number.

It is an amenable number.

12221138884 is a deficient number, since it is larger than the sum of its proper divisors (10291485516).

12221138884 is a wasteful number, since it uses less digits than its factorization.

12221138884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160804482 (or 160804480 counting only the distinct ones).

The product of its digits is 49152, while the sum is 40.

The spelling of 12221138884 in words is "twelve billion, two hundred twenty-one million, one hundred thirty-eight thousand, eight hundred eighty-four".