12002125131 has 16 divisors (see below), whose sum is σ = 17783925120. Its totient is φ = 8000067240.

The previous prime is 12002125117. The next prime is 12002125133. The reversal of 12002125131 is 13152120021.

It is not a de Polignac number, because 12002125131 - 2⁵ = 12002125099 is a prime.

It is a super-2 number, since 2×12002125131² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12002125133) 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, 141016 + ... + 209498.

It is an arithmetic number, because the mean of its divisors is an integer number (1111495320).

Almost surely, 2^12002125131 is an apocalyptic number.

12002125131 is a deficient number, since it is larger than the sum of its proper divisors (5781799989).

12002125131 is an equidigital number, since it uses as much as digits as its factorization.

12002125131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74983 (or 74977 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

Adding to 12002125131 its reverse (13152120021), we get a palindrome (25154245152).

The spelling of 12002125131 in words is "twelve billion, two million, one hundred twenty-five thousand, one hundred thirty-one".