12373390217 has 2 divisors, whose sum is σ = 12373390218. Its totient is φ = 12373390216.

The previous prime is 12373390213. The next prime is 12373390303. The reversal of 12373390217 is 71209337321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9320164681 + 3053225536 = 96541^2 + 55256^2 .

It is a cyclic number.

It is not a de Polignac number, because 12373390217 - 2² = 12373390213 is a prime.

It is not a weakly prime, because it can be changed into another prime (12373390213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6186695108 + 6186695109.

It is an arithmetic number, because the mean of its divisors is an integer number (6186695109).

Almost surely, 2^12373390217 is an apocalyptic number.

It is an amenable number.

12373390217 is a deficient number, since it is larger than the sum of its proper divisors (1).

12373390217 is an equidigital number, since it uses as much as digits as its factorization.

12373390217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 47628, while the sum is 38.

The spelling of 12373390217 in words is "twelve billion, three hundred seventy-three million, three hundred ninety thousand, two hundred seventeen".