12131320001011 has 32 divisors (see below), whose sum is σ = 13573889971200. Its totient is φ = 10774524096000.

The previous prime is 12131320000927. The next prime is 12131320001027. The reversal of 12131320001011 is 11010002313121.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 12131320001011 - 2²⁵ = 12131286446579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12131320001041) 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, 94296616 + ... + 94425178.

It is an arithmetic number, because the mean of its divisors is an integer number (424184061600).

Almost surely, 2^{12131320001011} is an apocalyptic number.

12131320001011 is a deficient number, since it is larger than the sum of its proper divisors (1442569970189).

12131320001011 is a wasteful number, since it uses less digits than its factorization.

12131320001011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129739.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 12131320001011 its reverse (11010002313121), we get a palindrome (23141322314132).

The spelling of 12131320001011 in words is "twelve trillion, one hundred thirty-one billion, three hundred twenty million, one thousand, eleven".