212212202202 has 96 divisors (see below), whose sum is σ = 617344640640. Its totient is φ = 50880044160.

The previous prime is 212212202161. The next prime is 212212202281. The reversal of 212212202202 is 202202212212.

212212202202 is a `hidden beast` number, since 2 + 1 + 221 + 220 + 220 + 2 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5870877 + ... + 5906912.

It is an arithmetic number, because the mean of its divisors is an integer number (6430673340).

Almost surely, 2^212212202202 is an apocalyptic number.

212212202202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

212212202202 is an abundant number, since it is smaller than the sum of its proper divisors (405132438438).

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

212212202202 is a wasteful number, since it uses less digits than its factorization.

212212202202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11777828 (or 11777825 counting only the distinct ones).

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

Adding to 212212202202 its reverse (202202212212), we get a palindrome (414414414414).

It can be divided in two parts, 212212 and 202202, that added together give a palindrome (414414).

The spelling of 212212202202 in words is "two hundred twelve billion, two hundred twelve million, two hundred two thousand, two hundred two".