12102220012112 has 40 divisors (see below), whose sum is σ = 23754079433280. Its totient is φ = 5972279523840.

The previous prime is 12102220012111. The next prime is 12102220012123. The reversal of 12102220012112 is 21121002220121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12102220012111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3175964 + ... + 5855867.

It is an arithmetic number, because the mean of its divisors is an integer number (593851985832).

Almost surely, 2^{12102220012112} is an apocalyptic number.

It is an amenable number.

12102220012112 is a deficient number, since it is larger than the sum of its proper divisors (11651859421168).

12102220012112 is a wasteful number, since it uses less digits than its factorization.

12102220012112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9032931 (or 9032925 counting only the distinct ones).

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

Adding to 12102220012112 its reverse (21121002220121), we get a palindrome (33223222232233).

The spelling of 12102220012112 in words is "twelve trillion, one hundred two billion, two hundred twenty million, twelve thousand, one hundred twelve".