12137501217 has 16 divisors (see below), whose sum is σ = 16222588992. Its totient is φ = 8072064000.

The previous prime is 12137501213. The next prime is 12137501219. The reversal of 12137501217 is 71210573121.

It is not a de Polignac number, because 12137501217 - 2² = 12137501213 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12137501213) 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, 3731842 + ... + 3735092.

It is an arithmetic number, because the mean of its divisors is an integer number (1013911812).

Almost surely, 2^12137501217 is an apocalyptic number.

It is an amenable number.

12137501217 is a deficient number, since it is larger than the sum of its proper divisors (4085087775).

12137501217 is a wasteful number, since it uses less digits than its factorization.

12137501217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5888.

The product of its (nonzero) digits is 2940, while the sum is 30.

The spelling of 12137501217 in words is "twelve billion, one hundred thirty-seven million, five hundred one thousand, two hundred seventeen".