12759231245 has 4 divisors (see below), whose sum is σ = 15311077500. Its totient is φ = 10207384992.

The previous prime is 12759231241. The next prime is 12759231257. The reversal of 12759231245 is 54213295721.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 6685678756 + 6073552489 = 81766^2 + 77933^2 .

It is a cyclic number.

It is not a de Polignac number, because 12759231245 - 2² = 12759231241 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12759231241) 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, 1275923120 + ... + 1275923129.

It is an arithmetic number, because the mean of its divisors is an integer number (3827769375).

Almost surely, 2^12759231245 is an apocalyptic number.

It is an amenable number.

12759231245 is a deficient number, since it is larger than the sum of its proper divisors (2551846255).

12759231245 is an equidigital number, since it uses as much as digits as its factorization.

12759231245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2551846254.

The product of its digits is 151200, while the sum is 41.

The spelling of 12759231245 in words is "twelve billion, seven hundred fifty-nine million, two hundred thirty-one thousand, two hundred forty-five".