12506377570 has 32 divisors (see below), whose sum is σ = 23044855680. Its totient is φ = 4884122880.

The previous prime is 12506377567. The next prime is 12506377579. The reversal of 12506377570 is 7577360521.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is not an unprimeable number, because it can be changed into a prime (12506377579) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1337371 + ... + 1346689.

It is an arithmetic number, because the mean of its divisors is an integer number (720151740).

Almost surely, 2^12506377570 is an apocalyptic number.

12506377570 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12506377570 is a deficient number, since it is larger than the sum of its proper divisors (10538478110).

12506377570 is a wasteful number, since it uses less digits than its factorization.

12506377570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12490.

The product of its (nonzero) digits is 308700, while the sum is 43.

The spelling of 12506377570 in words is "twelve billion, five hundred six million, three hundred seventy-seven thousand, five hundred seventy".