12221101120012 has 12 divisors (see below), whose sum is σ = 21607410743800. Its totient is φ = 6047555193216.

The previous prime is 12221101119989. The next prime is 12221101120093. The reversal of 12221101120012 is 21002110112221.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15748841262 + ... + 15748842037.

Almost surely, 2^{12221101120012} is an apocalyptic number.

It is an amenable number.

12221101120012 is a deficient number, since it is larger than the sum of its proper divisors (9386309623788).

12221101120012 is a wasteful number, since it uses less digits than its factorization.

12221101120012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31497683400 (or 31497683398 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12221101120012 its reverse (21002110112221), we get a palindrome (33223211232233).

The spelling of 12221101120012 in words is "twelve trillion, two hundred twenty-one billion, one hundred one million, one hundred twenty thousand, twelve".