12936016845 has 64 divisors (see below), whose sum is σ = 24159168000. Its totient is φ = 6554718720.

The previous prime is 12936016823. The next prime is 12936016859. The reversal of 12936016845 is 54861063921.

12936016845 is a `hidden beast` number, since 129 + 360 + 168 + 4 + 5 = 666.

It is not a de Polignac number, because 12936016845 - 2⁶ = 12936016781 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 12936016845.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 448665 + ... + 476625.

It is an arithmetic number, because the mean of its divisors is an integer number (377487000).

Almost surely, 2^12936016845 is an apocalyptic number.

12936016845 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12936016845 is a deficient number, since it is larger than the sum of its proper divisors (11223151155).

12936016845 is a wasteful number, since it uses less digits than its factorization.

12936016845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28147 (or 28141 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The spelling of 12936016845 in words is "twelve billion, nine hundred thirty-six million, sixteen thousand, eight hundred forty-five".