210112120997 has 2 divisors, whose sum is σ = 210112120998. Its totient is φ = 210112120996.

The previous prime is 210112120949. The next prime is 210112121033. The reversal of 210112120997 is 799021211012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 169887406276 + 40224714721 = 412174^2 + 200561^2 .

It is a cyclic number.

It is not a de Polignac number, because 210112120997 - 2⁸ = 210112120741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210112126997) 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, 105056060498 + 105056060499.

It is an arithmetic number, because the mean of its divisors is an integer number (105056060499).

Almost surely, 2^210112120997 is an apocalyptic number.

It is an amenable number.

210112120997 is a deficient number, since it is larger than the sum of its proper divisors (1).

210112120997 is an equidigital number, since it uses as much as digits as its factorization.

210112120997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 35.

The spelling of 210112120997 in words is "two hundred ten billion, one hundred twelve million, one hundred twenty thousand, nine hundred ninety-seven".