212220222102 has 80 divisors (see below), whose sum is σ = 553717609632. Its totient is φ = 59490288000.

The previous prime is 212220222079. The next prime is 212220222187. The reversal of 212220222102 is 201222022212.

212220222102 is a `hidden beast` number, since 212 + 220 + 22 + 210 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1705399 + ... + 1825602.

Almost surely, 2^212220222102 is an apocalyptic number.

212220222102 is an abundant number, since it is smaller than the sum of its proper divisors (341497387530).

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

212220222102 is a wasteful number, since it uses less digits than its factorization.

212220222102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3531075 (or 3531066 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 212220222102 its reverse (201222022212), we get a palindrome (413442244314).

It can be divided in two parts, 21222022210 and 2, that added together give a palindrome (21222022212).

The spelling of 212220222102 in words is "two hundred twelve billion, two hundred twenty million, two hundred twenty-two thousand, one hundred two".