12646450700 has 36 divisors (see below), whose sum is σ = 29553785520. Its totient is φ = 4669458240.

The previous prime is 12646450699. The next prime is 12646450717. The reversal of 12646450700 is 705464621.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4862720 + ... + 4865319.

Almost surely, 2^12646450700 is an apocalyptic number.

12646450700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12646450700 is an abundant number, since it is smaller than the sum of its proper divisors (16907334820).

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

12646450700 is a wasteful number, since it uses less digits than its factorization.

12646450700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9728066 (or 9728059 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 35.

The spelling of 12646450700 in words is "twelve billion, six hundred forty-six million, four hundred fifty thousand, seven hundred".