23121012132 has 36 divisors (see below), whose sum is σ = 58473629760. Its totient is φ = 7703199792.

The previous prime is 23121012127. The next prime is 23121012253.

23121012132 is nontrivially palindromic in base 10.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 84088 + ... + 230895.

Almost surely, 2^23121012132 is an apocalyptic number.

It is an amenable number.

23121012132 is an abundant number, since it is smaller than the sum of its proper divisors (35352617628).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23121012132 is a wasteful number, since it uses less digits than its factorization.

23121012132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317032 (or 317027 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

It can be divided in two parts, 231210 and 12132, that added together give a palindrome (243342).

The spelling of 23121012132 in words is "twenty-three billion, one hundred twenty-one million, twelve thousand, one hundred thirty-two".