312212322199963 has 2 divisors, whose sum is σ = 312212322199964. Its totient is φ = 312212322199962.

The previous prime is 312212322199949. The next prime is 312212322200003. The reversal of 312212322199963 is 369991223212213.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-312212322199963 is a prime.

It is not a weakly prime, because it can be changed into another prime (312212322199163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156106161099981 + 156106161099982.

It is an arithmetic number, because the mean of its divisors is an integer number (156106161099982).

Almost surely, 2^{312212322199963} is an apocalyptic number.

312212322199963 is a deficient number, since it is larger than the sum of its proper divisors (1).

312212322199963 is an equidigital number, since it uses as much as digits as its factorization.

312212322199963 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3779136, while the sum is 55.

The spelling of 312212322199963 in words is "three hundred twelve trillion, two hundred twelve billion, three hundred twenty-two million, one hundred ninety-nine thousand, nine hundred sixty-three".