212010220102 has 4 divisors (see below), whose sum is σ = 318015330156. Its totient is φ = 106005110050.

The previous prime is 212010220087. The next prime is 212010220127. The reversal of 212010220102 is 201022010212.

It is a happy number.

212010220102 is digitally balanced in base 2, 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 pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53002555024 + ... + 53002555027.

It is an arithmetic number, because the mean of its divisors is an integer number (79503832539).

Almost surely, 2^212010220102 is an apocalyptic number.

212010220102 is a deficient number, since it is larger than the sum of its proper divisors (106005110054).

212010220102 is a wasteful number, since it uses less digits than its factorization.

212010220102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106005110053.

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

Adding to 212010220102 its reverse (201022010212), we get a palindrome (413032230314).

The spelling of 212010220102 in words is "two hundred twelve billion, ten million, two hundred twenty thousand, one hundred two".