212022302993 has 2 divisors, whose sum is σ = 212022302994. Its totient is φ = 212022302992.

The previous prime is 212022302971. The next prime is 212022303029. The reversal of 212022302993 is 399203220212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 129048348289 + 82973954704 = 359233^2 + 288052^2 .

It is a cyclic number.

It is not a de Polignac number, because 212022302993 - 2²² = 212018108689 is a prime.

It is not a weakly prime, because it can be changed into another prime (212022302903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106011151496 + 106011151497.

It is an arithmetic number, because the mean of its divisors is an integer number (106011151497).

Almost surely, 2^212022302993 is an apocalyptic number.

It is an amenable number.

212022302993 is a deficient number, since it is larger than the sum of its proper divisors (1).

212022302993 is an equidigital number, since it uses as much as digits as its factorization.

212022302993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 35.

The spelling of 212022302993 in words is "two hundred twelve billion, twenty-two million, three hundred two thousand, nine hundred ninety-three".