12103012331131 has 4 divisors (see below), whose sum is σ = 12115151762752. Its totient is φ = 12090872899512.

The previous prime is 12103012331087. The next prime is 12103012331177. The reversal of 12103012331131 is 13113321030121.

12103012331131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 12103012331131 - 2²⁵ = 12102978776699 is a prime.

It is a super-2 number, since 2×12103012331131² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12103012335131) 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, 6069714315 + ... + 6069716308.

It is an arithmetic number, because the mean of its divisors is an integer number (3028787940688).

Almost surely, 2^{12103012331131} is an apocalyptic number.

12103012331131 is a deficient number, since it is larger than the sum of its proper divisors (12139431621).

12103012331131 is an equidigital number, since it uses as much as digits as its factorization.

12103012331131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12139431620.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 12103012331131 its reverse (13113321030121), we get a palindrome (25216333361252).

The spelling of 12103012331131 in words is "twelve trillion, one hundred three billion, twelve million, three hundred thirty-one thousand, one hundred thirty-one".