212210100999 has 36 divisors (see below), whose sum is σ = 342625483200. Its totient is φ = 126378195840.

The previous prime is 212210100997. The next prime is 212210101001. The reversal of 212210100999 is 999001012212.

It is an interprime number because it is at equal distance from previous prime (212210100997) and next prime (212210101001).

It is not a de Polignac number, because 212210100999 - 2¹ = 212210100997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212210100997) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2203174 + ... + 2297475.

Almost surely, 2^212210100999 is an apocalyptic number.

212210100999 is a deficient number, since it is larger than the sum of its proper divisors (130415382201).

212210100999 is a wasteful number, since it uses less digits than its factorization.

212210100999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4500712 (or 4500696 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 36.

The spelling of 212210100999 in words is "two hundred twelve billion, two hundred ten million, one hundred thousand, nine hundred ninety-nine".