12685416720290 has 32 divisors (see below), whose sum is σ = 22949946639360. Its totient is φ = 5048361964800.

The previous prime is 12685416720281. The next prime is 12685416720311. The reversal of 12685416720290 is 9202761458621.

12685416720290 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×12685416720290³ (a number of 40 digits) contains 333 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, 5030570 + ... + 7118810.

It is an arithmetic number, because the mean of its divisors is an integer number (717185832480).

Almost surely, 2^{12685416720290} is an apocalyptic number.

12685416720290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12685416720290 is a deficient number, since it is larger than the sum of its proper divisors (10264529919070).

12685416720290 is a wasteful number, since it uses less digits than its factorization.

12685416720290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2091338.

The product of its (nonzero) digits is 2903040, while the sum is 53.

The spelling of 12685416720290 in words is "twelve trillion, six hundred eighty-five billion, four hundred sixteen million, seven hundred twenty thousand, two hundred ninety".