212122099963 has 2 divisors, whose sum is σ = 212122099964. Its totient is φ = 212122099962.

The previous prime is 212122099907. The next prime is 212122100039. The reversal of 212122099963 is 369990221212.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212122099963 is a prime.

It is not a weakly prime, because it can be changed into another prime (212122099663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106061049981 + 106061049982.

It is an arithmetic number, because the mean of its divisors is an integer number (106061049982).

Almost surely, 2^212122099963 is an apocalyptic number.

212122099963 is a deficient number, since it is larger than the sum of its proper divisors (1).

212122099963 is an equidigital number, since it uses as much as digits as its factorization.

212122099963 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 209952, while the sum is 46.

The spelling of 212122099963 in words is "two hundred twelve billion, one hundred twenty-two million, ninety-nine thousand, nine hundred sixty-three".