12646265370 has 32 divisors (see below), whose sum is σ = 30441123648. Its totient is φ = 3362327808.

The previous prime is 12646265339. The next prime is 12646265381. The reversal of 12646265370 is 7356264621.

12646265370 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-2 number, since 2×12646265370² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 615324 + ... + 635543.

It is an arithmetic number, because the mean of its divisors is an integer number (951285114).

Almost surely, 2^12646265370 is an apocalyptic number.

12646265370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12646265370 is an abundant number, since it is smaller than the sum of its proper divisors (17794858278).

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

12646265370 is a wasteful number, since it uses less digits than its factorization.

12646265370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1251214.

The product of its (nonzero) digits is 362880, while the sum is 42.

The spelling of 12646265370 in words is "twelve billion, six hundred forty-six million, two hundred sixty-five thousand, three hundred seventy".