211212012122022 has 8 divisors (see below), whose sum is σ = 422424024244056. Its totient is φ = 70404004040672.

The previous prime is 211212012121937. The next prime is 211212012122071. The reversal of 211212012122022 is 220221210212112.

It is a sphenic number, since it is the product of 3 distinct primes.

211212012122022 is an admirable number.

It is a super-2 number, since 2×211212012122022² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 211212012122022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17601001010163 + ... + 17601001010174.

It is an arithmetic number, because the mean of its divisors is an integer number (52803003030507).

Almost surely, 2^{211212012122022} is an apocalyptic number.

211212012122022 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

211212012122022 is a wasteful number, since it uses less digits than its factorization.

211212012122022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35202002020342.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 211212012122022 its reverse (220221210212112), we get a palindrome (431433222334134).

The spelling of 211212012122022 in words is "two hundred eleven trillion, two hundred twelve billion, twelve million, one hundred twenty-two thousand, twenty-two".