12564103730 has 16 divisors (see below), whose sum is σ = 22925187864. Its totient is φ = 4956796800.

The previous prime is 12564103711. The next prime is 12564103787. The reversal of 12564103730 is 3730146521.

It can be written as a sum of positive squares in 4 ways, for example, as 7546223161 + 5017880569 = 86869^2 + 70837^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8604821 + ... + 8606280.

Almost surely, 2^12564103730 is an apocalyptic number.

12564103730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12564103730 is a deficient number, since it is larger than the sum of its proper divisors (10361084134).

12564103730 is a wasteful number, since it uses less digits than its factorization.

12564103730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17211181.

The product of its (nonzero) digits is 15120, while the sum is 32.

The spelling of 12564103730 in words is "twelve billion, five hundred sixty-four million, one hundred three thousand, seven hundred thirty".