212012120022 has 16 divisors (see below), whose sum is σ = 425875877040. Its totient is φ = 70362100512.

The previous prime is 212012119919. The next prime is 212012120101. The reversal of 212012120022 is 220021210212.

It is a junction number, because it is equal to n+sod(n) for n = 212012119983 and 212012120010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77150053 + ... + 77152800.

It is an arithmetic number, because the mean of its divisors is an integer number (26617242315).

Almost surely, 2^212012120022 is an apocalyptic number.

212012120022 is an abundant number, since it is smaller than the sum of its proper divisors (213863757018).

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

212012120022 is a wasteful number, since it uses less digits than its factorization.

212012120022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154303087.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 212012120022 its reverse (220021210212), we get a palindrome (432033330234).

The spelling of 212012120022 in words is "two hundred twelve billion, twelve million, one hundred twenty thousand, twenty-two".