12201322213021 has 4 divisors (see below), whose sum is σ = 12265203481344. Its totient is φ = 12137440944700.

The previous prime is 12201322213007. The next prime is 12201322213027. The reversal of 12201322213021 is 12031222310221.

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 12201322213021 - 2¹⁵ = 12201322180253 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12201322212983 and 12201322213001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12201322213027) 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, 31940633875 + ... + 31940634256.

It is an arithmetic number, because the mean of its divisors is an integer number (3066300870336).

Almost surely, 2^{12201322213021} is an apocalyptic number.

It is an amenable number.

12201322213021 is a deficient number, since it is larger than the sum of its proper divisors (63881268323).

12201322213021 is an equidigital number, since it uses as much as digits as its factorization.

12201322213021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63881268322.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 12201322213021 its reverse (12031222310221), we get a palindrome (24232544523242).

The spelling of 12201322213021 in words is "twelve trillion, two hundred one billion, three hundred twenty-two million, two hundred thirteen thousand, twenty-one".