212122222001212 has 24 divisors (see below), whose sum is σ = 390788823353600. Its totient is φ = 100469339950896.

The previous prime is 212122222001203. The next prime is 212122222001213. The reversal of 212122222001212 is 212100222221212.

212122222001212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×212122222001212² (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 (212122222001213) 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, 132634788 + ... + 134224555.

Almost surely, 2^{212122222001212} is an apocalyptic number.

It is an amenable number.

212122222001212 is a deficient number, since it is larger than the sum of its proper divisors (178666601352388).

212122222001212 is a wasteful number, since it uses less digits than its factorization.

212122222001212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266869825 (or 266869823 counting only the distinct ones).

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

Adding to 212122222001212 its reverse (212100222221212), we get a palindrome (424222444222424).

The spelling of 212122222001212 in words is "two hundred twelve trillion, one hundred twenty-two billion, two hundred twenty-two million, one thousand, two hundred twelve".