12221000001112 has 48 divisors (see below), whose sum is σ = 26656818950520. Its totient is φ = 5237311766400.

The previous prime is 12221000001079. The next prime is 12221000001113. The reversal of 12221000001112 is 21110000012221.

12221000001112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12221000001092 and 12221000001101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12221000001113) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7250287 + ... + 8775457.

Almost surely, 2^{12221000001112} is an apocalyptic number.

It is an amenable number.

12221000001112 is an abundant number, since it is smaller than the sum of its proper divisors (14435818949408).

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

12221000001112 is a wasteful number, since it uses less digits than its factorization.

12221000001112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1545632 (or 1545621 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12221000001112 its reverse (21110000012221), we get a palindrome (33331000013333).

The spelling of 12221000001112 in words is "twelve trillion, two hundred twenty-one billion, one thousand, one hundred twelve".