20122332212 has 12 divisors (see below), whose sum is σ = 35562736356. Its totient is φ = 9961550400.

The previous prime is 20122332203. The next prime is 20122332257. The reversal of 20122332212 is 21223322102.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 13380936976 + 6741395236 = 115676^2 + 82106^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24903473 + ... + 24904280.

It is an arithmetic number, because the mean of its divisors is an integer number (2963561363).

Almost surely, 2^20122332212 is an apocalyptic number.

It is an amenable number.

20122332212 is a deficient number, since it is larger than the sum of its proper divisors (15440404144).

20122332212 is a wasteful number, since it uses less digits than its factorization.

20122332212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49807858 (or 49807856 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 20122332212 its reverse (21223322102), we get a palindrome (41345654314).

The spelling of 20122332212 in words is "twenty billion, one hundred twenty-two million, three hundred thirty-two thousand, two hundred twelve".