12220222222012 has 48 divisors (see below), whose sum is σ = 24908728545792. Its totient is φ = 5136948198720.

The previous prime is 12220222221971. The next prime is 12220222222051. The reversal of 12220222222012 is 21022222202221.

12220222222012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 4001233 + ... + 6360055.

It is an arithmetic number, because the mean of its divisors is an integer number (518931844704).

Almost surely, 2^{12220222222012} is an apocalyptic number.

It is an amenable number.

12220222222012 is an abundant number, since it is smaller than the sum of its proper divisors (12688506323780).

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

12220222222012 is a wasteful number, since it uses less digits than its factorization.

12220222222012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2362378 (or 2362376 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 12220222222012 its reverse (21022222202221), we get a palindrome (33242444424233).

The spelling of 12220222222012 in words is "twelve trillion, two hundred twenty billion, two hundred twenty-two million, two hundred twenty-two thousand, twelve".