12220012122 has 8 divisors (see below), whose sum is σ = 24440024256. Its totient is φ = 4073337372.

The previous prime is 12220012093. The next prime is 12220012177. The reversal of 12220012122 is 22121002221.

It is a sphenic number, since it is the product of 3 distinct primes.

12220012122 is an admirable 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, 1018334338 + ... + 1018334349.

It is an arithmetic number, because the mean of its divisors is an integer number (3055003032).

Almost surely, 2^12220012122 is an apocalyptic number.

12220012122 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12220012122 is a wasteful number, since it uses less digits than its factorization.

12220012122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2036668692.

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

Adding to 12220012122 its reverse (22121002221), we get a palindrome (34341014343).

Subtracting 12220012122 from its reverse (22121002221), we obtain a palindrome (9900990099).

The spelling of 12220012122 in words is "twelve billion, two hundred twenty million, twelve thousand, one hundred twenty-two".