212211022022212 has 6 divisors (see below), whose sum is σ = 371369288538878. Its totient is φ = 106105511011104.

The previous prime is 212211022022201. The next prime is 212211022022213. The reversal of 212211022022212 is 212220220112212.

It can be written as a sum of positive squares in only one way, i.e., 127090765090116 + 85120256932096 = 11273454^2 + 9226064^2 .

It is not an unprimeable number, because it can be changed into a prime (212211022022213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26526377752773 + ... + 26526377752780.

Almost surely, 2^{212211022022212} is an apocalyptic number.

It is an amenable number.

212211022022212 is a deficient number, since it is larger than the sum of its proper divisors (159158266516666).

212211022022212 is a wasteful number, since it uses less digits than its factorization.

212211022022212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53052755505557 (or 53052755505555 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 212211022022212 its reverse (212220220112212), we get a palindrome (424431242134424).

The spelling of 212211022022212 in words is "two hundred twelve trillion, two hundred eleven billion, twenty-two million, twenty-two thousand, two hundred twelve".