12533610133 has 32 divisors (see below), whose sum is σ = 14476879872. Its totient is φ = 10739572800.

The previous prime is 12533610107. The next prime is 12533610139. The reversal of 12533610133 is 33101633521.

It is a de Polignac number, because none of the positive numbers 2^k-12533610133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12533610139) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15265863 + ... + 15266683.

It is an arithmetic number, because the mean of its divisors is an integer number (452402496).

Almost surely, 2^12533610133 is an apocalyptic number.

It is an amenable number.

12533610133 is a deficient number, since it is larger than the sum of its proper divisors (1943269739).

12533610133 is a wasteful number, since it uses less digits than its factorization.

12533610133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1665.

The product of its (nonzero) digits is 4860, while the sum is 28.

The spelling of 12533610133 in words is "twelve billion, five hundred thirty-three million, six hundred ten thousand, one hundred thirty-three".