12221120023202 has 4 divisors (see below), whose sum is σ = 18331680034806. Its totient is φ = 6110560011600.

The previous prime is 12221120023169. The next prime is 12221120023237. The reversal of 12221120023202 is 20232002112221.

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., 9317200703281 + 2903919319921 = 3052409^2 + 1704089^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3055280005799 + ... + 3055280005802.

Almost surely, 2^{12221120023202} is an apocalyptic number.

12221120023202 is a deficient number, since it is larger than the sum of its proper divisors (6110560011604).

12221120023202 is an equidigital number, since it uses as much as digits as its factorization.

12221120023202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6110560011603.

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

Adding to 12221120023202 its reverse (20232002112221), we get a palindrome (32453122135423).

The spelling of 12221120023202 in words is "twelve trillion, two hundred twenty-one billion, one hundred twenty million, twenty-three thousand, two hundred two".