212022312102989 has 2 divisors, whose sum is σ = 212022312102990. Its totient is φ = 212022312102988.

The previous prime is 212022312102983. The next prime is 212022312103057. The reversal of 212022312102989 is 989201213220212.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 143069300700964 + 68953011402025 = 11961158^2 + 8303795^2 .

It is a cyclic number.

It is not a de Polignac number, because 212022312102989 - 2²⁴ = 212022295325773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212022312102983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106011156051494 + 106011156051495.

It is an arithmetic number, because the mean of its divisors is an integer number (106011156051495).

Almost surely, 2^{212022312102989} is an apocalyptic number.

It is an amenable number.

212022312102989 is a deficient number, since it is larger than the sum of its proper divisors (1).

212022312102989 is an equidigital number, since it uses as much as digits as its factorization.

212022312102989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 124416, while the sum is 44.

The spelling of 212022312102989 in words is "two hundred twelve trillion, twenty-two billion, three hundred twelve million, one hundred two thousand, nine hundred eighty-nine".