12135514233 has 16 divisors (see below), whose sum is σ = 16506859136. Its totient is φ = 7928668800.

The previous prime is 12135514207. The next prime is 12135514253. The reversal of 12135514233 is 33241553121.

It is not a de Polignac number, because 12135514233 - 2¹⁴ = 12135497849 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12135514233.

It is not an unprimeable number, because it can be changed into a prime (12135514253) 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, 142093 + ... + 210858.

It is an arithmetic number, because the mean of its divisors is an integer number (1031678696).

Almost surely, 2^12135514233 is an apocalyptic number.

It is an amenable number.

12135514233 is a deficient number, since it is larger than the sum of its proper divisors (4371344903).

12135514233 is a wasteful number, since it uses less digits than its factorization.

12135514233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353184.

The product of its digits is 10800, while the sum is 30.

The spelling of 12135514233 in words is "twelve billion, one hundred thirty-five million, five hundred fourteen thousand, two hundred thirty-three".