2022121212 has 12 divisors (see below), whose sum is σ = 4718282856. Its totient is φ = 674040400.

The previous prime is 2022121177. The next prime is 2022121229. The reversal of 2022121212 is 2121212202.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 2022121191 and 2022121200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84255039 + ... + 84255062.

It is an arithmetic number, because the mean of its divisors is an integer number (393190238).

Almost surely, 2^2022121212 is an apocalyptic number.

It is an amenable number.

2022121212 is an abundant number, since it is smaller than the sum of its proper divisors (2696161644).

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

2022121212 is a wasteful number, since it uses less digits than its factorization.

2022121212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168510108 (or 168510106 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 2022121212 is about 44968.0020903753. The cubic root of 2022121212 is about 1264.5491916951.

Adding to 2022121212 its reverse (2121212202), we get a palindrome (4143333414).

It can be divided in two parts, 202 and 2121212, that multiplied together give a palindrome (428484824).

The spelling of 2022121212 in words is "two billion, twenty-two million, one hundred twenty-one thousand, two hundred twelve".