212102001222202 has 64 divisors (see below), whose sum is σ = 395014957424640. Its totient is φ = 83173704912576.

The previous prime is 212102001222187. The next prime is 212102001222217. The reversal of 212102001222202 is 202222100201212.

It is an interprime number because it is at equal distance from previous prime (212102001222187) and next prime (212102001222217).

It is a self number, because there is not a number n which added to its sum of digits gives 212102001222202.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1192203 + ... + 20630689.

It is an arithmetic number, because the mean of its divisors is an integer number (6172108709760).

Almost surely, 2^{212102001222202} is an apocalyptic number.

212102001222202 is a deficient number, since it is larger than the sum of its proper divisors (182912956202438).

212102001222202 is a wasteful number, since it uses less digits than its factorization.

212102001222202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19439035.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 212102001222202 its reverse (202222100201212), we get a palindrome (414324101423414).

The spelling of 212102001222202 in words is "two hundred twelve trillion, one hundred two billion, one million, two hundred twenty-two thousand, two hundred two".