12514513123 has 32 divisors (see below), whose sum is σ = 14897520000. Its totient is φ = 10506101760.

The previous prime is 12514513097. The next prime is 12514513147. The reversal of 12514513123 is 32131541521.

It is not a de Polignac number, because 12514513123 - 2²⁹ = 11977642211 is a prime.

It is a super-2 number, since 2×12514513123² (a number of 21 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 = 12514513091 and 12514513100.

It is not an unprimeable number, because it can be changed into a prime (12514511123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3325563 + ... + 3329323.

It is an arithmetic number, because the mean of its divisors is an integer number (465547500).

Almost surely, 2^12514513123 is an apocalyptic number.

12514513123 is a deficient number, since it is larger than the sum of its proper divisors (2383006877).

12514513123 is an equidigital number, since it uses as much as digits as its factorization.

12514513123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3980 (or 3966 counting only the distinct ones).

The product of its digits is 3600, while the sum is 28.

The spelling of 12514513123 in words is "twelve billion, five hundred fourteen million, five hundred thirteen thousand, one hundred twenty-three".