212201220102 has 32 divisors (see below), whose sum is σ = 429035612544. Its totient is φ = 69965064000.

The previous prime is 212201220097. The next prime is 212201220113. The reversal of 212201220102 is 201022102212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 198399 + ... + 681002.

It is an arithmetic number, because the mean of its divisors is an integer number (13407362892).

Almost surely, 2^212201220102 is an apocalyptic number.

212201220102 is an abundant number, since it is smaller than the sum of its proper divisors (216834392442).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212201220102 is a wasteful number, since it uses less digits than its factorization.

212201220102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 879844.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 212201220102 its reverse (201022102212), we get a palindrome (413223322314).

The spelling of 212201220102 in words is "two hundred twelve billion, two hundred one million, two hundred twenty thousand, one hundred two".