12131021131332 has 12 divisors (see below), whose sum is σ = 28305715973136. Its totient is φ = 4043673710440.

The previous prime is 12131021131319. The next prime is 12131021131351. The reversal of 12131021131332 is 23313112013121.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 505459213794 + ... + 505459213817.

It is an arithmetic number, because the mean of its divisors is an integer number (2358809664428).

Almost surely, 2^{12131021131332} is an apocalyptic number.

12131021131332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12131021131332 is an abundant number, since it is smaller than the sum of its proper divisors (16174694841804).

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

12131021131332 is a wasteful number, since it uses less digits than its factorization.

12131021131332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010918427618 (or 1010918427616 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 24.

Adding to 12131021131332 its reverse (23313112013121), we get a palindrome (35444133144453).

The spelling of 12131021131332 in words is "twelve trillion, one hundred thirty-one billion, twenty-one million, one hundred thirty-one thousand, three hundred thirty-two".