212104985201 has 2 divisors, whose sum is σ = 212104985202. Its totient is φ = 212104985200.

The previous prime is 212104985177. The next prime is 212104985231. The reversal of 212104985201 is 102589401212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 211733421025 + 371564176 = 460145^2 + 19276^2 .

It is a cyclic number.

It is not a de Polignac number, because 212104985201 - 2⁶ = 212104985137 is a prime.

It is not a weakly prime, because it can be changed into another prime (212104985231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106052492600 + 106052492601.

It is an arithmetic number, because the mean of its divisors is an integer number (106052492601).

Almost surely, 2^212104985201 is an apocalyptic number.

It is an amenable number.

212104985201 is a deficient number, since it is larger than the sum of its proper divisors (1).

212104985201 is an equidigital number, since it uses as much as digits as its factorization.

212104985201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11520, while the sum is 35.

The spelling of 212104985201 in words is "two hundred twelve billion, one hundred four million, nine hundred eighty-five thousand, two hundred one".