201212012122022 has 16 divisors (see below), whose sum is σ = 332515980432144. Its totient is φ = 90554460900000.

The previous prime is 201212012122007. The next prime is 201212012122061. The reversal of 201212012122022 is 220221210212102.

It is a junction number, because it is equal to n+sod(n) for n = 201212012121985 and 201212012122003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45277228229 + ... + 45277232672.

It is an arithmetic number, because the mean of its divisors is an integer number (20782248777009).

Almost surely, 2^{201212012122022} is an apocalyptic number.

201212012122022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

201212012122022 is a deficient number, since it is larger than the sum of its proper divisors (131303968310122).

201212012122022 is a wasteful number, since it uses less digits than its factorization.

201212012122022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90554461015.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 201212012122022 its reverse (220221210212102), we get a palindrome (421433222334124).

The spelling of 201212012122022 in words is "two hundred one trillion, two hundred twelve billion, twelve million, one hundred twenty-two thousand, twenty-two".