212222202210012 has 24 divisors (see below), whose sum is σ = 497951535916800. Its totient is φ = 70345534437616.

The previous prime is 212222202210001. The next prime is 212222202210017. The reversal of 212222202210012 is 210012202222212.

It is a super-2 number, since 2×212222202210012² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212222202210017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49399951812 + ... + 49399956107.

It is an arithmetic number, because the mean of its divisors is an integer number (20747980663200).

Almost surely, 2^{212222202210012} is an apocalyptic number.

It is an amenable number.

212222202210012 is an abundant number, since it is smaller than the sum of its proper divisors (285729333706788).

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

212222202210012 is a wasteful number, since it uses less digits than its factorization.

212222202210012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98799908105 (or 98799908103 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 212222202210012 its reverse (210012202222212), we get a palindrome (422234404432224).

The spelling of 212222202210012 in words is "two hundred twelve trillion, two hundred twenty-two billion, two hundred two million, two hundred ten thousand, twelve".