12303123012131 has 16 divisors (see below), whose sum is σ = 14396592672000. Its totient is φ = 10293926495328.

The previous prime is 12303123011969. The next prime is 12303123012139. The reversal of 12303123012131 is 13121032130321.

It is not a de Polignac number, because 12303123012131 - 2²² = 12303118817827 is a prime.

It is a super-2 number, since 2×12303123012131² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12303123012097 and 12303123012106.

It is not an unprimeable number, because it can be changed into a prime (12303123012139) 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, 12135956 + ... + 13110593.

It is an arithmetic number, because the mean of its divisors is an integer number (899787042000).

Almost surely, 2^{12303123012131} is an apocalyptic number.

12303123012131 is a deficient number, since it is larger than the sum of its proper divisors (2093469659869).

12303123012131 is a wasteful number, since it uses less digits than its factorization.

12303123012131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25248218.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 12303123012131 its reverse (13121032130321), we get a palindrome (25424155142452).

The spelling of 12303123012131 in words is "twelve trillion, three hundred three billion, one hundred twenty-three million, twelve thousand, one hundred thirty-one".