50512012217 has 2 divisors, whose sum is σ = 50512012218. Its totient is φ = 50512012216.

The previous prime is 50512012181. The next prime is 50512012261. The reversal of 50512012217 is 71221021505.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26784922921 + 23727089296 = 163661^2 + 154036^2 .

It is a cyclic number.

It is not a de Polignac number, because 50512012217 - 2⁸ = 50512011961 is a prime.

It is not a weakly prime, because it can be changed into another prime (50512012517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25256006108 + 25256006109.

It is an arithmetic number, because the mean of its divisors is an integer number (25256006109).

Almost surely, 2^50512012217 is an apocalyptic number.

It is an amenable number.

50512012217 is a deficient number, since it is larger than the sum of its proper divisors (1).

50512012217 is an equidigital number, since it uses as much as digits as its factorization.

50512012217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1400, while the sum is 26.

The spelling of 50512012217 in words is "fifty billion, five hundred twelve million, twelve thousand, two hundred seventeen".