210100211210212 has 6 divisors (see below), whose sum is σ = 367675369617878. Its totient is φ = 105050105605104.

The previous prime is 210100211210209. The next prime is 210100211210213. The reversal of 210100211210212 is 212012112001012.

It can be written as a sum of positive squares in only one way, i.e., 195065468629056 + 15034742581156 = 13966584^2 + 3877466^2 .

It is not an unprimeable number, because it can be changed into a prime (210100211210213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26262526401273 + ... + 26262526401280.

Almost surely, 2^{210100211210212} is an apocalyptic number.

It is an amenable number.

210100211210212 is a deficient number, since it is larger than the sum of its proper divisors (157575158407666).

210100211210212 is a wasteful number, since it uses less digits than its factorization.

210100211210212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52525052802557 (or 52525052802555 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 210100211210212 its reverse (212012112001012), we get a palindrome (422112323211224).

The spelling of 210100211210212 in words is "two hundred ten trillion, one hundred billion, two hundred eleven million, two hundred ten thousand, two hundred twelve".