2012347590217 has 2 divisors, whose sum is σ = 2012347590218. Its totient is φ = 2012347590216.

The previous prime is 2012347590167. The next prime is 2012347590223. The reversal of 2012347590217 is 7120957432102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1385319584016 + 627028006201 = 1176996^2 + 791851^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2012347590217 is a prime.

It is not a weakly prime, because it can be changed into another prime (2012347590257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1006173795108 + 1006173795109.

It is an arithmetic number, because the mean of its divisors is an integer number (1006173795109).

Almost surely, 2^{2012347590217} is an apocalyptic number.

It is an amenable number.

2012347590217 is a deficient number, since it is larger than the sum of its proper divisors (1).

2012347590217 is an equidigital number, since it uses as much as digits as its factorization.

2012347590217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 211680, while the sum is 43.

The spelling of 2012347590217 in words is "two trillion, twelve billion, three hundred forty-seven million, five hundred ninety thousand, two hundred seventeen".