12221211104 has 12 divisors (see below), whose sum is σ = 24060509424. Its totient is φ = 6110605536.

The previous prime is 12221211091. The next prime is 12221211109. The reversal of 12221211104 is 40111212221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12221211109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190956392 + ... + 190956455.

It is an arithmetic number, because the mean of its divisors is an integer number (2005042452).

Almost surely, 2^12221211104 is an apocalyptic number.

It is an amenable number.

12221211104 is a deficient number, since it is larger than the sum of its proper divisors (11839298320).

12221211104 is an equidigital number, since it uses as much as digits as its factorization.

12221211104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381912857 (or 381912849 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 12221211104 its reverse (40111212221), we get a palindrome (52332423325).

The spelling of 12221211104 in words is "twelve billion, two hundred twenty-one million, two hundred eleven thousand, one hundred four".