12102031010131 has 4 divisors (see below), whose sum is σ = 12492419107264. Its totient is φ = 11711642913000.

The previous prime is 12102031010123. The next prime is 12102031010161. The reversal of 12102031010131 is 13101013020121.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12102031010131 - 2³ = 12102031010123 is a prime.

It is a super-2 number, since 2×12102031010131² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12102031010161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 195194048520 + ... + 195194048581.

It is an arithmetic number, because the mean of its divisors is an integer number (3123104776816).

Almost surely, 2^{12102031010131} is an apocalyptic number.

12102031010131 is a deficient number, since it is larger than the sum of its proper divisors (390388097133).

12102031010131 is an equidigital number, since it uses as much as digits as its factorization.

12102031010131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390388097132.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 12102031010131 its reverse (13101013020121), we get a palindrome (25203044030252).

The spelling of 12102031010131 in words is "twelve trillion, one hundred two billion, thirty-one million, ten thousand, one hundred thirty-one".