212012122222022 has 8 divisors (see below), whose sum is σ = 318075165643872. Its totient is φ = 105987067007400.

The previous prime is 212012122222001. The next prime is 212012122222027. The reversal of 212012122222022 is 220222221210212.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212012122222027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9497037854 + ... + 9497060177.

It is an arithmetic number, because the mean of its divisors is an integer number (39759395705484).

Almost surely, 2^{212012122222022} is an apocalyptic number.

212012122222022 is a deficient number, since it is larger than the sum of its proper divisors (106063043421850).

212012122222022 is a wasteful number, since it uses less digits than its factorization.

212012122222022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18994103614.

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 212012122222022 its reverse (220222221210212), we get a palindrome (432234343432234).

The spelling of 212012122222022 in words is "two hundred twelve trillion, twelve billion, one hundred twenty-two million, two hundred twenty-two thousand, twenty-two".