12010012131 has 32 divisors (see below), whose sum is σ = 17627581440. Its totient is φ = 7227154944.

The previous prime is 12010012123. The next prime is 12010012141. The reversal of 12010012131 is 13121001021.

It is not a de Polignac number, because 12010012131 - 2³ = 12010012123 is a prime.

It is a super-2 number, since 2×12010012131² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12010012141) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2844540 + ... + 2848758.

It is an arithmetic number, because the mean of its divisors is an integer number (550861920).

Almost surely, 2^12010012131 is an apocalyptic number.

12010012131 is a deficient number, since it is larger than the sum of its proper divisors (5617569309).

12010012131 is a wasteful number, since it uses less digits than its factorization.

12010012131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5835.

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 12010012131 its reverse (13121001021), we get a palindrome (25131013152).

It can be divided in two parts, 120100 and 12131, that added together give a palindrome (132231).

The spelling of 12010012131 in words is "twelve billion, ten million, twelve thousand, one hundred thirty-one".