12220764344 has 8 divisors (see below), whose sum is σ = 22913933160. Its totient is φ = 6110382168.

The previous prime is 12220764331. The next prime is 12220764377. The reversal of 12220764344 is 44346702221.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 763797764 + ... + 763797779.

It is an arithmetic number, because the mean of its divisors is an integer number (2864241645).

Almost surely, 2^12220764344 is an apocalyptic number.

It is an amenable number.

12220764344 is a deficient number, since it is larger than the sum of its proper divisors (10693168816).

12220764344 is a wasteful number, since it uses less digits than its factorization.

12220764344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1527595549 (or 1527595545 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 35.

The spelling of 12220764344 in words is "twelve billion, two hundred twenty million, seven hundred sixty-four thousand, three hundred forty-four".