12816407810 has 32 divisors (see below), whose sum is σ = 23839667712. Its totient is φ = 4955783040.

The previous prime is 12816407803. The next prime is 12816407843. The reversal of 12816407810 is 1870461821.

It is a happy number.

It is a super-2 number, since 2×12816407810² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 268409 + ... + 312531.

It is an arithmetic number, because the mean of its divisors is an integer number (744989616).

Almost surely, 2^12816407810 is an apocalyptic number.

12816407810 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12816407810 is a deficient number, since it is larger than the sum of its proper divisors (11023259902).

12816407810 is a wasteful number, since it uses less digits than its factorization.

12816407810 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45098.

The product of its (nonzero) digits is 21504, while the sum is 38.

The spelling of 12816407810 in words is "twelve billion, eight hundred sixteen million, four hundred seven thousand, eight hundred ten".