212020120012122 has 64 divisors (see below), whose sum is σ = 478986314112000. Its totient is φ = 69502321540080.

The previous prime is 212020120012121. The next prime is 212020120012147. The reversal of 212020120012122 is 221210021020212.

It is a happy number.

212020120012122 is a `hidden beast` number, since 2 + 120 + 201 + 200 + 121 + 22 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 212020120012095 and 212020120012104.

It is not an unprimeable number, because it can be changed into a prime (212020120012121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46748904 + ... + 51083267.

It is an arithmetic number, because the mean of its divisors is an integer number (7484161158000).

Almost surely, 2^{212020120012122} is an apocalyptic number.

212020120012122 is an abundant number, since it is smaller than the sum of its proper divisors (266966194099878).

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

212020120012122 is a wasteful number, since it uses less digits than its factorization.

212020120012122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97832848 (or 97832842 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 212020120012122 its reverse (221210021020212), we get a palindrome (433230141032334).

The spelling of 212020120012122 in words is "two hundred twelve trillion, twenty billion, one hundred twenty million, twelve thousand, one hundred twenty-two".