12002000131 has 4 divisors (see below), whose sum is σ = 13093091064. Its totient is φ = 10910909200.

The previous prime is 12002000111. The next prime is 12002000167. The reversal of 12002000131 is 13100020021.

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 12002000131 - 2⁵ = 12002000099 is a prime.

It is a super-2 number, since 2×12002000131² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12002000111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 545545450 + ... + 545545471.

It is an arithmetic number, because the mean of its divisors is an integer number (3273272766).

Almost surely, 2^12002000131 is an apocalyptic number.

12002000131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12002000131 is a deficient number, since it is larger than the sum of its proper divisors (1091090933).

12002000131 is a wasteful number, since it uses less digits than its factorization.

12002000131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1091090932.

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 12002000131 its reverse (13100020021), we get a palindrome (25102020152).

The spelling of 12002000131 in words is "twelve billion, two million, one hundred thirty-one", and thus it is an aban number.