12810066956 has 12 divisors (see below), whose sum is σ = 22419333720. Its totient is φ = 6404543040.

The previous prime is 12810066947. The next prime is 12810066989. The reversal of 12810066956 is 65966001821.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

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, 60326 + ... + 171053.

It is an arithmetic number, because the mean of its divisors is an integer number (1868277810).

Almost surely, 2^12810066956 is an apocalyptic number.

It is an amenable number.

12810066956 is a deficient number, since it is larger than the sum of its proper divisors (9609266764).

12810066956 is a wasteful number, since it uses less digits than its factorization.

12810066956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245224 (or 245222 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 44.

The spelling of 12810066956 in words is "twelve billion, eight hundred ten million, sixty-six thousand, nine hundred fifty-six".