12200142233221 has 4 divisors (see below), whose sum is σ = 12207967855200. Its totient is φ = 12192316611244.

The previous prime is 12200142233101. The next prime is 12200142233231. The reversal of 12200142233221 is 12233224100221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12200142233221 - 2⁴¹ = 10001118977669 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12200142233231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3912808651 + ... + 3912811768.

It is an arithmetic number, because the mean of its divisors is an integer number (3051991963800).

Almost surely, 2^{12200142233221} is an apocalyptic number.

It is an amenable number.

12200142233221 is a deficient number, since it is larger than the sum of its proper divisors (7825621979).

12200142233221 is an equidigital number, since it uses as much as digits as its factorization.

12200142233221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7825621978.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 12200142233221 its reverse (12233224100221), we get a palindrome (24433366333442).

The spelling of 12200142233221 in words is "twelve trillion, two hundred billion, one hundred forty-two million, two hundred thirty-three thousand, two hundred twenty-one".