12810942812 has 12 divisors (see below), whose sum is σ = 23599105320. Its totient is φ = 6068341296.

The previous prime is 12810942811. The next prime is 12810942857. The reversal of 12810942812 is 21824901821.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12810942811) 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, 84282443 + ... + 84282594.

It is an arithmetic number, because the mean of its divisors is an integer number (1966592110).

Almost surely, 2^12810942812 is an apocalyptic number.

It is an amenable number.

12810942812 is a deficient number, since it is larger than the sum of its proper divisors (10788162508).

12810942812 is a wasteful number, since it uses less digits than its factorization.

12810942812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168565060 (or 168565058 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 38.

The spelling of 12810942812 in words is "twelve billion, eight hundred ten million, nine hundred forty-two thousand, eight hundred twelve".