12212100120122 has 32 divisors (see below), whose sum is σ = 21032200212480. Its totient is φ = 5209475186160.

The previous prime is 12212100120119. The next prime is 12212100120203. The reversal of 12212100120122 is 22102100121221.

It is a self number, because there is not a number n which added to its sum of digits gives 12212100120122.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13123379 + ... + 14023097.

It is an arithmetic number, because the mean of its divisors is an integer number (657256256640).

Almost surely, 2^{12212100120122} is an apocalyptic number.

12212100120122 is a deficient number, since it is larger than the sum of its proper divisors (8820100092358).

12212100120122 is a wasteful number, since it uses less digits than its factorization.

12212100120122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 904226.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 12212100120122 its reverse (22102100121221), we get a palindrome (34314200241343).

The spelling of 12212100120122 in words is "twelve trillion, two hundred twelve billion, one hundred million, one hundred twenty thousand, one hundred twenty-two".