212122022202 has 48 divisors (see below), whose sum is σ = 484007996160. Its totient is φ = 66955311936.

The previous prime is 212122022201. The next prime is 212122022207. The reversal of 212122022202 is 202220221212.

212122022202 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not an unprimeable number, because it can be changed into a prime (212122022201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 614278 + ... + 895310.

It is an arithmetic number, because the mean of its divisors is an integer number (10083499920).

Almost surely, 2^212122022202 is an apocalyptic number.

212122022202 is an abundant number, since it is smaller than the sum of its proper divisors (271885973958).

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

212122022202 is a wasteful number, since it uses less digits than its factorization.

212122022202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283267 (or 283264 counting only the distinct ones).

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

Adding to 212122022202 its reverse (202220221212), we get a palindrome (414342243414).

The spelling of 212122022202 in words is "two hundred twelve billion, one hundred twenty-two million, twenty-two thousand, two hundred two".