12222564812 has 12 divisors (see below), whose sum is σ = 21390302136. Its totient is φ = 6111049920.

The previous prime is 12222564791. The next prime is 12222564833. The reversal of 12222564812 is 21846522221.

It is an interprime number because it is at equal distance from previous prime (12222564791) and next prime (12222564833).

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, 122612 + ... + 198692.

It is an arithmetic number, because the mean of its divisors is an integer number (1782525178).

Almost surely, 2^12222564812 is an apocalyptic number.

It is an amenable number.

12222564812 is a deficient number, since it is larger than the sum of its proper divisors (9167737324).

12222564812 is a wasteful number, since it uses less digits than its factorization.

12222564812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116248 (or 116246 counting only the distinct ones).

The product of its digits is 30720, while the sum is 35.

The spelling of 12222564812 in words is "twelve billion, two hundred twenty-two million, five hundred sixty-four thousand, eight hundred twelve".