2012012310131 has 4 divisors (see below), whose sum is σ = 2020875800712. Its totient is φ = 2003148819552.

The previous prime is 2012012310107. The next prime is 2012012310173. The reversal of 2012012310131 is 1310132102102.

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 2012012310131 - 2³⁰ = 2010938568307 is a prime.

It is a super-2 number, since 2×2012012310131² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2012012310031) 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, 4431744950 + ... + 4431745403.

It is an arithmetic number, because the mean of its divisors is an integer number (505218950178).

Almost surely, 2^{2012012310131} is an apocalyptic number.

2012012310131 is a deficient number, since it is larger than the sum of its proper divisors (8863490581).

2012012310131 is an equidigital number, since it uses as much as digits as its factorization.

2012012310131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8863490580.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 2012012310131 its reverse (1310132102102), we get a palindrome (3322144412233).

The spelling of 2012012310131 in words is "two trillion, twelve billion, twelve million, three hundred ten thousand, one hundred thirty-one".