12011313112031 has 16 divisors (see below), whose sum is σ = 12319517454048. Its totient is φ = 11703839347200.

The previous prime is 12011313111977. The next prime is 12011313112093. The reversal of 12011313112031 is 13021131311021.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12011313112031 is a prime.

It is a super-2 number, since 2×12011313112031² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12011313111994 and 12011313112012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12011313115031) 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, 238100771 + ... + 238151211.

It is an arithmetic number, because the mean of its divisors is an integer number (769969840878).

Almost surely, 2^{12011313112031} is an apocalyptic number.

12011313112031 is a deficient number, since it is larger than the sum of its proper divisors (308204342017).

12011313112031 is an equidigital number, since it uses as much as digits as its factorization.

12011313112031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57562.

The product of its (nonzero) digits is 108, while the sum is 20.

Adding to 12011313112031 its reverse (13021131311021), we get a palindrome (25032444423052).

The spelling of 12011313112031 in words is "twelve trillion, eleven billion, three hundred thirteen million, one hundred twelve thousand, thirty-one".