12612543364 has 12 divisors (see below), whose sum is σ = 22267278684. Its totient is φ = 6250463744.

The previous prime is 12612543337. The next prime is 12612543371. The reversal of 12612543364 is 46334521621.

It can be written as a sum of positive squares in 2 ways, for example, as 860248900 + 11752294464 = 29330^2 + 108408^2 .

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, 13951477 + ... + 13952380.

It is an arithmetic number, because the mean of its divisors is an integer number (1855606557).

Almost surely, 2^12612543364 is an apocalyptic number.

It is an amenable number.

12612543364 is a deficient number, since it is larger than the sum of its proper divisors (9654735320).

12612543364 is a wasteful number, since it uses less digits than its factorization.

12612543364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27903974 (or 27903972 counting only the distinct ones).

The product of its digits is 103680, while the sum is 37.

The spelling of 12612543364 in words is "twelve billion, six hundred twelve million, five hundred forty-three thousand, three hundred sixty-four".