12135501235 has 64 divisors (see below), whose sum is σ = 17581971456. Its totient is φ = 7922764800.

The previous prime is 12135501227. The next prime is 12135501311. The reversal of 12135501235 is 53210553121.

It is not a de Polignac number, because 12135501235 - 2³ = 12135501227 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 14745034 + ... + 14745856.

It is an arithmetic number, because the mean of its divisors is an integer number (274718304).

Almost surely, 2^12135501235 is an apocalyptic number.

12135501235 is a deficient number, since it is larger than the sum of its proper divisors (5446470221).

12135501235 is a wasteful number, since it uses less digits than its factorization.

12135501235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1396.

The product of its (nonzero) digits is 4500, while the sum is 28.

The spelling of 12135501235 in words is "twelve billion, one hundred thirty-five million, five hundred one thousand, two hundred thirty-five".