12150608817507 has 4 divisors (see below), whose sum is σ = 16200811756680. Its totient is φ = 8100405878336.

The previous prime is 12150608817497. The next prime is 12150608817509. The reversal of 12150608817507 is 70571880605121.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12150608817507 - 2¹⁰ = 12150608816483 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12150608817507.

It is not an unprimeable number, because it can be changed into a prime (12150608817509) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2025101469582 + ... + 2025101469587.

It is an arithmetic number, because the mean of its divisors is an integer number (4050202939170).

Almost surely, 2^{12150608817507} is an apocalyptic number.

12150608817507 is a deficient number, since it is larger than the sum of its proper divisors (4050202939173).

12150608817507 is an equidigital number, since it uses as much as digits as its factorization.

12150608817507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4050202939172.

The product of its (nonzero) digits is 940800, while the sum is 51.

The spelling of 12150608817507 in words is "twelve trillion, one hundred fifty billion, six hundred eight million, eight hundred seventeen thousand, five hundred seven".