212210202020202 has 48 divisors (see below), whose sum is σ = 470484325190880. Its totient is φ = 69091283663136.

The previous prime is 212210202020189. The next prime is 212210202020227. The reversal of 212210202020202 is 202020202012212.

212210202020202 is a `hidden beast` number, since 21 + 221 + 0 + 20 + 202 + 0 + 202 = 666.

It is a super-2 number, since 2×212210202020202² (a number of 29 digits) contains 22 as substring.

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 23 ways as a sum of consecutive naturals, for example, 147045493 + ... + 148481639.

It is an arithmetic number, because the mean of its divisors is an integer number (9801756774810).

Almost surely, 2^{212210202020202} is an apocalyptic number.

212210202020202 is an abundant number, since it is smaller than the sum of its proper divisors (258274123170678).

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

212210202020202 is a wasteful number, since it uses less digits than its factorization.

212210202020202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1627107 (or 1627104 counting only the distinct ones).

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

Adding to 212210202020202 its reverse (202020202012212), we get a palindrome (414230404032414).

The spelling of 212210202020202 in words is "two hundred twelve trillion, two hundred ten billion, two hundred two million, twenty thousand, two hundred two".