12646106712 has 48 divisors (see below), whose sum is σ = 34266375000. Its totient is φ = 4213337856.

The previous prime is 12646106633. The next prime is 12646106713. The reversal of 12646106712 is 21760164621.

12646106712 is a `hidden beast` number, since 1 + 2 + 646 + 1 + 0 + 6 + 7 + 1 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12646106713) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 112039 + ... + 194537.

Almost surely, 2^12646106712 is an apocalyptic number.

12646106712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12646106712 is an abundant number, since it is smaller than the sum of its proper divisors (21620268288).

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

12646106712 is a wasteful number, since it uses less digits than its factorization.

12646106712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84640 (or 84633 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The spelling of 12646106712 in words is "twelve billion, six hundred forty-six million, one hundred six thousand, seven hundred twelve".