12221200000202 has 4 divisors (see below), whose sum is σ = 18331800000306. Its totient is φ = 6110600000100.

The previous prime is 12221200000151. The next prime is 12221200000223. The reversal of 12221200000202 is 20200000212221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 11218420070881 + 1002779929321 = 3349391^2 + 1001389^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3055300000049 + ... + 3055300000052.

Almost surely, 2^{12221200000202} is an apocalyptic number.

12221200000202 is a deficient number, since it is larger than the sum of its proper divisors (6110600000104).

12221200000202 is an equidigital number, since it uses as much as digits as its factorization.

12221200000202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6110600000103.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 12221200000202 its reverse (20200000212221), we get a palindrome (32421200212423).

The spelling of 12221200000202 in words is "twelve trillion, two hundred twenty-one billion, two hundred million, two hundred two", and thus it is an aban number.