12513240011 has 4 divisors (see below), whose sum is σ = 12524689632. Its totient is φ = 12501790392.

The previous prime is 12513239987. The next prime is 12513240013. The reversal of 12513240011 is 11004231521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11004231521 = 4211 ⋅2613211.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12513240011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12513240013) 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, 5723171 + ... + 5725356.

It is an arithmetic number, because the mean of its divisors is an integer number (3131172408).

Almost surely, 2^12513240011 is an apocalyptic number.

12513240011 is a deficient number, since it is larger than the sum of its proper divisors (11449621).

12513240011 is a wasteful number, since it uses less digits than its factorization.

12513240011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11449620.

The product of its (nonzero) digits is 240, while the sum is 20.

Adding to 12513240011 its reverse (11004231521), we get a palindrome (23517471532).

The spelling of 12513240011 in words is "twelve billion, five hundred thirteen million, two hundred forty thousand, eleven".