212051210022 has 24 divisors (see below), whose sum is σ = 459526682160. Its totient is φ = 70671060720.

The previous prime is 212051209939. The next prime is 212051210083. The reversal of 212051210022 is 220012150212.

212051210022 is a `hidden beast` number, since 2 + 120 + 512 + 10 + 0 + 22 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 212051209977 and 212051210004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 952897 + ... + 1154172.

It is an arithmetic number, because the mean of its divisors is an integer number (19146945090).

Almost surely, 2^212051210022 is an apocalyptic number.

212051210022 is an abundant number, since it is smaller than the sum of its proper divisors (247475472138).

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

212051210022 is a wasteful number, since it uses less digits than its factorization.

212051210022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2112668 (or 2112665 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

Adding to 212051210022 its reverse (220012150212), we get a palindrome (432063360234).

The spelling of 212051210022 in words is "two hundred twelve billion, fifty-one million, two hundred ten thousand, twenty-two".