12142310513 has 4 divisors (see below), whose sum is σ = 12159632628. Its totient is φ = 12124988400.

The previous prime is 12142310501. The next prime is 12142310549. The reversal of 12142310513 is 31501324121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31501324121 = 5189 ⋅6070789.

It can be written as a sum of positive squares in 2 ways, for example, as 9267527824 + 2874782689 = 96268^2 + 53617^2 .

It is a cyclic number.

It is not a de Polignac number, because 12142310513 - 2⁴ = 12142310497 is a prime.

It is a super-2 number, since 2×12142310513² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12142310413) 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, 8660006 + ... + 8661407.

It is an arithmetic number, because the mean of its divisors is an integer number (3039908157).

Almost surely, 2^12142310513 is an apocalyptic number.

It is an amenable number.

12142310513 is a deficient number, since it is larger than the sum of its proper divisors (17322115).

12142310513 is an equidigital number, since it uses as much as digits as its factorization.

12142310513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17322114.

The product of its (nonzero) digits is 720, while the sum is 23.

Adding to 12142310513 its reverse (31501324121), we get a palindrome (43643634634).

The spelling of 12142310513 in words is "twelve billion, one hundred forty-two million, three hundred ten thousand, five hundred thirteen".