12012131201 has 16 divisors (see below), whose sum is σ = 14559722496. Its totient is φ = 9674436096.

The previous prime is 12012131177. The next prime is 12012131231. The reversal of 12012131201 is 10213121021.

It is a cyclic number.

It is not a de Polignac number, because 12012131201 - 2²⁶ = 11945022337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12012131231) 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, 10916 + ... + 155381.

It is an arithmetic number, because the mean of its divisors is an integer number (909982656).

Almost surely, 2^12012131201 is an apocalyptic number.

It is an amenable number.

12012131201 is a deficient number, since it is larger than the sum of its proper divisors (2547591295).

12012131201 is a wasteful number, since it uses less digits than its factorization.

12012131201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166928.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 12012131201 its reverse (10213121021), we get a palindrome (22225252222).

The spelling of 12012131201 in words is "twelve billion, twelve million, one hundred thirty-one thousand, two hundred one".