12221001001112 has 32 divisors (see below), whose sum is σ = 23633619030720. Its totient is φ = 5921277062400.

The previous prime is 12221001001091. The next prime is 12221001001141. The reversal of 12221001001112 is 21110010012221.

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, 160866293 + ... + 160942244.

It is an arithmetic number, because the mean of its divisors is an integer number (738550594710).

Almost surely, 2^{12221001001112} is an apocalyptic number.

It is an amenable number.

12221001001112 is a deficient number, since it is larger than the sum of its proper divisors (11412618029608).

12221001001112 is a wasteful number, since it uses less digits than its factorization.

12221001001112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321808691 (or 321808687 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 12221001001112 its reverse (21110010012221), we get a palindrome (33331011013333).

The spelling of 12221001001112 in words is "twelve trillion, two hundred twenty-one billion, one million, one thousand, one hundred twelve".