12131013011 has 8 divisors (see below), whose sum is σ = 13751755920. Its totient is φ = 10608496992.

The previous prime is 12131012977. The next prime is 12131013019. The reversal of 12131013011 is 11031013121.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12131013011 - 2²² = 12126818707 is a prime.

It is a super-2 number, since 2×12131013011² (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 (12131013019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24556460 + ... + 24556953.

It is an arithmetic number, because the mean of its divisors is an integer number (1718969490).

Almost surely, 2^12131013011 is an apocalyptic number.

12131013011 is a deficient number, since it is larger than the sum of its proper divisors (1620742909).

12131013011 is a wasteful number, since it uses less digits than its factorization.

12131013011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49113445.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 12131013011 its reverse (11031013121), we get a palindrome (23162026132).

The spelling of 12131013011 in words is "twelve billion, one hundred thirty-one million, thirteen thousand, eleven".