12221200001204 has 12 divisors (see below), whose sum is σ = 21790630191204. Its totient is φ = 5995305660864.

The previous prime is 12221200001201. The next prime is 12221200001287. The reversal of 12221200001204 is 40210000212221.

It can be written as a sum of positive squares in 2 ways, for example, as 4745339424400 + 7475860576804 = 2178380^2 + 2734202^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12221200001201) 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, 28823584697 + ... + 28823585120.

It is an arithmetic number, because the mean of its divisors is an integer number (1815885849267).

Almost surely, 2^{12221200001204} is an apocalyptic number.

It is an amenable number.

12221200001204 is a deficient number, since it is larger than the sum of its proper divisors (9569430190000).

12221200001204 is a wasteful number, since it uses less digits than its factorization.

12221200001204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57647169874 (or 57647169872 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 12221200001204 its reverse (40210000212221), we get a palindrome (52431200213425).

The spelling of 12221200001204 in words is "twelve trillion, two hundred twenty-one billion, two hundred million, one thousand, two hundred four".