12220332012021 has 64 divisors (see below), whose sum is σ = 18941399009280. Its totient is φ = 6864387828480.

The previous prime is 12220332012019. The next prime is 12220332012113. The reversal of 12220332012021 is 12021023302221.

12220332012021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12220332012021 - 2¹ = 12220332012019 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12220332012011) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 124056630 + ... + 124155096.

It is an arithmetic number, because the mean of its divisors is an integer number (295959359520).

Almost surely, 2^{12220332012021} is an apocalyptic number.

It is an amenable number.

12220332012021 is a deficient number, since it is larger than the sum of its proper divisors (6721066997259).

12220332012021 is a wasteful number, since it uses less digits than its factorization.

12220332012021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99034.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 12220332012021 its reverse (12021023302221), we get a palindrome (24241355314242).

The spelling of 12220332012021 in words is "twelve trillion, two hundred twenty billion, three hundred thirty-two million, twelve thousand, twenty-one".