12220031332021 has 4 divisors (see below), whose sum is σ = 12427150507200. Its totient is φ = 12012912156844.

The previous prime is 12220031331983. The next prime is 12220031332051. The reversal of 12220031332021 is 12023313002221.

12220031332021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 12220031332021 - 2¹¹ = 12220031329973 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12220031331983 and 12220031332001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12220031332051) 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, 103559587501 + ... + 103559587618.

It is an arithmetic number, because the mean of its divisors is an integer number (3106787626800).

Almost surely, 2^{12220031332021} is an apocalyptic number.

It is an amenable number.

12220031332021 is a deficient number, since it is larger than the sum of its proper divisors (207119175179).

12220031332021 is an equidigital number, since it uses as much as digits as its factorization.

12220031332021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207119175178.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 12220031332021 its reverse (12023313002221), we get a palindrome (24243344334242).

The spelling of 12220031332021 in words is "twelve trillion, two hundred twenty billion, thirty-one million, three hundred thirty-two thousand, twenty-one".