12012518707105 has 32 divisors (see below), whose sum is σ = 17022109777920. Its totient is φ = 7963768013760.

The previous prime is 12012518707097. The next prime is 12012518707141. The reversal of 12012518707105 is 50170781521021.

It is not a de Polignac number, because 12012518707105 - 2³ = 12012518707097 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4200619 + ... + 6455248.

It is an arithmetic number, because the mean of its divisors is an integer number (531940930560).

Almost surely, 2^{12012518707105} is an apocalyptic number.

It is an amenable number.

12012518707105 is a deficient number, since it is larger than the sum of its proper divisors (5009591070815).

12012518707105 is a wasteful number, since it uses less digits than its factorization.

12012518707105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10656949.

The product of its (nonzero) digits is 39200, while the sum is 40.

The spelling of 12012518707105 in words is "twelve trillion, twelve billion, five hundred eighteen million, seven hundred seven thousand, one hundred five".