12918462610 has 8 divisors (see below), whose sum is σ = 23253232716. Its totient is φ = 5167385040.

The previous prime is 12918462533. The next prime is 12918462611. The reversal of 12918462610 is 1626481921.

It can be written as a sum of positive squares in 2 ways, for example, as 12482028729 + 436433881 = 111723^2 + 20891^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (12918462611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 645923121 + ... + 645923140.

Almost surely, 2^12918462610 is an apocalyptic number.

12918462610 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12918462610 is a deficient number, since it is larger than the sum of its proper divisors (10334770106).

12918462610 is a wasteful number, since it uses less digits than its factorization.

12918462610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1291846268.

The product of its (nonzero) digits is 41472, while the sum is 40.

The spelling of 12918462610 in words is "twelve billion, nine hundred eighteen million, four hundred sixty-two thousand, six hundred ten".