212120200102 has 24 divisors (see below), whose sum is σ = 337213346400. Its totient is φ = 100057498128.

The previous prime is 212120200049. The next prime is 212120200133. The reversal of 212120200102 is 201002021212.

It is a happy number.

212120200102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 442077 + ... + 787192.

It is an arithmetic number, because the mean of its divisors is an integer number (14050556100).

Almost surely, 2^212120200102 is an apocalyptic number.

212120200102 is a deficient number, since it is larger than the sum of its proper divisors (125093146298).

212120200102 is a wasteful number, since it uses less digits than its factorization.

212120200102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1229548 (or 1229529 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 212120200102 its reverse (201002021212), we get a palindrome (413122221314).

The spelling of 212120200102 in words is "two hundred twelve billion, one hundred twenty million, two hundred thousand, one hundred two".