212212211210022 has 32 divisors (see below), whose sum is σ = 439265204229600. Its totient is φ = 68266222956288.

The previous prime is 212212211210017. The next prime is 212212211210029. The reversal of 212212211210022 is 220012112212212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212212211210029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 284983897 + ... + 285727572.

It is an arithmetic number, because the mean of its divisors is an integer number (13727037632175).

Almost surely, 2^{212212211210022} is an apocalyptic number.

212212211210022 is an abundant number, since it is smaller than the sum of its proper divisors (227052993019578).

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

212212211210022 is a wasteful number, since it uses less digits than its factorization.

212212211210022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 570713640.

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

Adding to 212212211210022 its reverse (220012112212212), we get a palindrome (432224323422234).

The spelling of 212212211210022 in words is "two hundred twelve trillion, two hundred twelve billion, two hundred eleven million, two hundred ten thousand, twenty-two".