12417131345 has 4 divisors (see below), whose sum is σ = 14900557620. Its totient is φ = 9933705072.

The previous prime is 12417131317. The next prime is 12417131357. The reversal of 12417131345 is 54313171421.

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 3692263696 + 8724867649 = 60764^2 + 93407^2 .

It is a cyclic number.

It is not a de Polignac number, because 12417131345 - 2¹² = 12417127249 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1241713130 + ... + 1241713139.

It is an arithmetic number, because the mean of its divisors is an integer number (3725139405).

Almost surely, 2^12417131345 is an apocalyptic number.

It is an amenable number.

12417131345 is a deficient number, since it is larger than the sum of its proper divisors (2483426275).

12417131345 is an equidigital number, since it uses as much as digits as its factorization.

12417131345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2483426274.

The product of its digits is 10080, while the sum is 32.

The spelling of 12417131345 in words is "twelve billion, four hundred seventeen million, one hundred thirty-one thousand, three hundred forty-five".