12221100104 has 16 divisors (see below), whose sum is σ = 22982563500. Its totient is φ = 6092416512.

The previous prime is 12221100103. The next prime is 12221100121. The reversal of 12221100104 is 40100112221.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 11685177604 + 535922500 = 108098^2 + 23150^2 .

It is not an unprimeable number, because it can be changed into a prime (12221100103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2263829 + ... + 2269220.

Almost surely, 2^12221100104 is an apocalyptic number.

It is an amenable number.

12221100104 is a deficient number, since it is larger than the sum of its proper divisors (10761463396).

12221100104 is a wasteful number, since it uses less digits than its factorization.

12221100104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4533392 (or 4533388 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12221100104 its reverse (40100112221), we get a palindrome (52321212325).

The spelling of 12221100104 in words is "twelve billion, two hundred twenty-one million, one hundred thousand, one hundred four".