12012012210131 has 16 divisors (see below), whose sum is σ = 12062796565248. Its totient is φ = 11961347781600.

The previous prime is 12012012210047. The next prime is 12012012210151. The reversal of 12012012210131 is 13101221021021.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12012012210131 is a prime.

It is a super-2 number, since 2×12012012210131² (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 (12012012210151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 892217306 + ... + 892230768.

It is an arithmetic number, because the mean of its divisors is an integer number (753924785328).

Almost surely, 2^{12012012210131} is an apocalyptic number.

12012012210131 is a deficient number, since it is larger than the sum of its proper divisors (50784355117).

12012012210131 is a wasteful number, since it uses less digits than its factorization.

12012012210131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17642.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 12012012210131 its reverse (13101221021021), we get a palindrome (25113233231152).

The spelling of 12012012210131 in words is "twelve trillion, twelve billion, twelve million, two hundred ten thousand, one hundred thirty-one".