12685110163400 has 24 divisors (see below), whose sum is σ = 29492881130370. Its totient is φ = 5074044065280.

The previous prime is 12685110163373. The next prime is 12685110163469. The reversal of 12685110163400 is 436101158621.

It can be written as a sum of positive squares in 3 ways, for example, as 12253206209764 + 431903953636 = 3500458^2 + 657194^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 31712775209 + ... + 31712775608.

Almost surely, 2^{12685110163400} is an apocalyptic number.

12685110163400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12685110163400 is an abundant number, since it is smaller than the sum of its proper divisors (16807770966970).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12685110163400 is a wasteful number, since it uses less digits than its factorization.

12685110163400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63425550833 (or 63425550824 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 38.

The spelling of 12685110163400 in words is "twelve trillion, six hundred eighty-five billion, one hundred ten million, one hundred sixty-three thousand, four hundred".