212013220102 has 4 divisors (see below), whose sum is σ = 318019830156. Its totient is φ = 106006610050.

The previous prime is 212013220019. The next prime is 212013220169. The reversal of 212013220102 is 201022310212.

It is a happy number.

212013220102 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53003305024 + ... + 53003305027.

It is an arithmetic number, because the mean of its divisors is an integer number (79504957539).

Almost surely, 2^212013220102 is an apocalyptic number.

212013220102 is a deficient number, since it is larger than the sum of its proper divisors (106006610054).

212013220102 is a wasteful number, since it uses less digits than its factorization.

212013220102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106006610053.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 212013220102 its reverse (201022310212), we get a palindrome (413035530314).

The spelling of 212013220102 in words is "two hundred twelve billion, thirteen million, two hundred twenty thousand, one hundred two".