12150045215 has 32 divisors (see below), whose sum is σ = 18186978816. Its totient is φ = 7570200960.

The previous prime is 12150045203. The next prime is 12150045223. The reversal of 12150045215 is 51254005121.

It is not a de Polignac number, because 12150045215 - 2⁴ = 12150045199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 875924 + ... + 889686.

It is an arithmetic number, because the mean of its divisors is an integer number (568343088).

Almost surely, 2^12150045215 is an apocalyptic number.

12150045215 is a deficient number, since it is larger than the sum of its proper divisors (6036933601).

12150045215 is a wasteful number, since it uses less digits than its factorization.

12150045215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16079.

The product of its (nonzero) digits is 2000, while the sum is 26.

The spelling of 12150045215 in words is "twelve billion, one hundred fifty million, forty-five thousand, two hundred fifteen".