12221100103112 has 32 divisors (see below), whose sum is σ = 22962363674880. Its totient is φ = 6097808485440.

The previous prime is 12221100103049. The next prime is 12221100103123. The reversal of 12221100103112 is 21130100112221.

It is a happy 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, 18030953 + ... + 18696455.

It is an arithmetic number, because the mean of its divisors is an integer number (717573864840).

Almost surely, 2^{12221100103112} is an apocalyptic number.

It is an amenable number.

12221100103112 is a deficient number, since it is larger than the sum of its proper divisors (10741263571768).

12221100103112 is a wasteful number, since it uses less digits than its factorization.

12221100103112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670293 (or 670289 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 12221100103112 its reverse (21130100112221), we get a palindrome (33351200215333).

The spelling of 12221100103112 in words is "twelve trillion, two hundred twenty-one billion, one hundred million, one hundred three thousand, one hundred twelve".