108120012507 has 24 divisors (see below), whose sum is σ = 175499155104. Its totient is φ = 63642547584.

The previous prime is 108120012493. The next prime is 108120012521. The reversal of 108120012507 is 705210021801.

It is an interprime number because it is at equal distance from previous prime (108120012493) and next prime (108120012521).

It is not a de Polignac number, because 108120012507 - 2⁴ = 108120012491 is a prime.

It is not an unprimeable number, because it can be changed into a prime (108120012527) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20086498 + ... + 20091879.

It is an arithmetic number, because the mean of its divisors is an integer number (7312464796).

Almost surely, 2^108120012507 is an apocalyptic number.

108120012507 is a deficient number, since it is larger than the sum of its proper divisors (67379142597).

108120012507 is a wasteful number, since it uses less digits than its factorization.

108120012507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40178419 (or 40178416 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 27.

The spelling of 108120012507 in words is "one hundred eight billion, one hundred twenty million, twelve thousand, five hundred seven".