12130452520031 has 4 divisors (see below), whose sum is σ = 12521757440064. Its totient is φ = 11739147600000.

The previous prime is 12130452520019. The next prime is 12130452520037. The reversal of 12130452520031 is 13002525403121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12130452520031 is a prime.

It is a super-2 number, since 2×12130452520031² (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 = 12130452519976 and 12130452520003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12130452520037) 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, 195652459970 + ... + 195652460031.

It is an arithmetic number, because the mean of its divisors is an integer number (3130439360016).

Almost surely, 2^{12130452520031} is an apocalyptic number.

12130452520031 is a deficient number, since it is larger than the sum of its proper divisors (391304920033).

12130452520031 is an equidigital number, since it uses as much as digits as its factorization.

12130452520031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391304920032.

The product of its (nonzero) digits is 7200, while the sum is 29.

Adding to 12130452520031 its reverse (13002525403121), we get a palindrome (25132977923152).

The spelling of 12130452520031 in words is "twelve trillion, one hundred thirty billion, four hundred fifty-two million, five hundred twenty thousand, thirty-one".