102212004997 has 2 divisors, whose sum is σ = 102212004998. Its totient is φ = 102212004996.

The previous prime is 102212004967. The next prime is 102212005001. The reversal of 102212004997 is 799400212201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 97940206116 + 4271798881 = 312954^2 + 65359^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102212004997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102212004907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51106002498 + 51106002499.

It is an arithmetic number, because the mean of its divisors is an integer number (51106002499).

Almost surely, 2^102212004997 is an apocalyptic number.

It is an amenable number.

102212004997 is a deficient number, since it is larger than the sum of its proper divisors (1).

102212004997 is an equidigital number, since it uses as much as digits as its factorization.

102212004997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 37.

The spelling of 102212004997 in words is "one hundred two billion, two hundred twelve million, four thousand, nine hundred ninety-seven".