12222312104 has 8 divisors (see below), whose sum is σ = 22916835210. Its totient is φ = 6111156048.

The previous prime is 12222312103. The next prime is 12222312149. The reversal of 12222312104 is 40121322221.

It can be written as a sum of positive squares in only one way, i.e., 11861388100 + 360924004 = 108910^2 + 18998^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (12222312101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 763894499 + ... + 763894514.

Almost surely, 2^12222312104 is an apocalyptic number.

It is an amenable number.

12222312104 is a deficient number, since it is larger than the sum of its proper divisors (10694523106).

12222312104 is a wasteful number, since it uses less digits than its factorization.

12222312104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1527789019 (or 1527789015 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 12222312104 its reverse (40121322221), we get a palindrome (52343634325).

The spelling of 12222312104 in words is "twelve billion, two hundred twenty-two million, three hundred twelve thousand, one hundred four".