12220121101112 has 32 divisors (see below), whose sum is σ = 23065031659680. Its totient is φ = 6069447974400.

The previous prime is 12220121101087. The next prime is 12220121101157. The reversal of 12220121101112 is 21110112102221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62226308 + ... + 62422380.

It is an arithmetic number, because the mean of its divisors is an integer number (720782239365).

Almost surely, 2^{12220121101112} is an apocalyptic number.

It is an amenable number.

12220121101112 is a deficient number, since it is larger than the sum of its proper divisors (10844910558568).

12220121101112 is a wasteful number, since it uses less digits than its factorization.

12220121101112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247823 (or 247819 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 12220121101112 its reverse (21110112102221), we get a palindrome (33330233203333).

The spelling of 12220121101112 in words is "twelve trillion, two hundred twenty billion, one hundred twenty-one million, one hundred one thousand, one hundred twelve".