212100313102 has 24 divisors (see below), whose sum is σ = 341450346384. Its totient is φ = 98782897152.

The previous prime is 212100313057. The next prime is 212100313111. The reversal of 212100313102 is 201313001212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1835458 + ... + 1947589.

It is an arithmetic number, because the mean of its divisors is an integer number (14227097766).

Almost surely, 2^212100313102 is an apocalyptic number.

212100313102 is a deficient number, since it is larger than the sum of its proper divisors (129350033282).

212100313102 is a wasteful number, since it uses less digits than its factorization.

212100313102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3783180 (or 3783163 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 212100313102 its reverse (201313001212), we get a palindrome (413413314314).

The spelling of 212100313102 in words is "two hundred twelve billion, one hundred million, three hundred thirteen thousand, one hundred two".