12132131202 has 24 divisors (see below), whose sum is σ = 26291659836. Its totient is φ = 4043216736.

The previous prime is 12132131191. The next prime is 12132131203. The reversal of 12132131202 is 20213123121.

It can be written as a sum of positive squares in 2 ways, for example, as 12100220001 + 31911201 = 110001^2 + 5649^2 .

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

It is not an unprimeable number, because it can be changed into a prime (12132131203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25008 + ... + 157764.

Almost surely, 2^12132131202 is an apocalyptic number.

12132131202 is an abundant number, since it is smaller than the sum of its proper divisors (14159528634).

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

12132131202 is a wasteful number, since it uses less digits than its factorization.

12132131202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137842 (or 137839 counting only the distinct ones).

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

Adding to 12132131202 its reverse (20213123121), we get a palindrome (32345254323).

The spelling of 12132131202 in words is "twelve billion, one hundred thirty-two million, one hundred thirty-one thousand, two hundred two".