12650440235828 has 12 divisors (see below), whose sum is σ = 23440521613572. Its totient is φ = 5953148346240.

The previous prime is 12650440235803. The next prime is 12650440235857. The reversal of 12650440235828 is 82853204405621.

It can be written as a sum of positive squares in 2 ways, for example, as 11469953639824 + 1180486596004 = 3386732^2 + 1086502^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93017942843 + ... + 93017942978.

It is an arithmetic number, because the mean of its divisors is an integer number (1953376801131).

Almost surely, 2^{12650440235828} is an apocalyptic number.

It is an amenable number.

12650440235828 is a deficient number, since it is larger than the sum of its proper divisors (10790081377744).

12650440235828 is a wasteful number, since it uses less digits than its factorization.

12650440235828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186035885842 (or 186035885840 counting only the distinct ones).

The product of its (nonzero) digits is 3686400, while the sum is 50.

The spelling of 12650440235828 in words is "twelve trillion, six hundred fifty billion, four hundred forty million, two hundred thirty-five thousand, eight hundred twenty-eight".