342212323212257 has 2 divisors, whose sum is σ = 342212323212258. Its totient is φ = 342212323212256.

The previous prime is 342212323212209. The next prime is 342212323212343. The reversal of 342212323212257 is 752212323212243.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 339120180326656 + 3092142885601 = 18415216^2 + 1758449^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-342212323212257 is a prime.

It is a super-2 number, since 2×342212323212257² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (342212323812257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171106161606128 + 171106161606129.

It is an arithmetic number, because the mean of its divisors is an integer number (171106161606129).

Almost surely, 2^{342212323212257} is an apocalyptic number.

It is an amenable number.

342212323212257 is a deficient number, since it is larger than the sum of its proper divisors (1).

342212323212257 is an equidigital number, since it uses as much as digits as its factorization.

342212323212257 is an evil number, because the sum of its binary digits is even.

The product of its digits is 483840, while the sum is 41.

The spelling of 342212323212257 in words is "three hundred forty-two trillion, two hundred twelve billion, three hundred twenty-three million, two hundred twelve thousand, two hundred fifty-seven".