12220033020321 has 16 divisors (see below), whose sum is σ = 18621358613504. Its totient is φ = 6982742543184.

The previous prime is 12220033020197. The next prime is 12220033020347. The reversal of 12220033020321 is 12302033002221.

It is a happy number.

It is not a de Polignac number, because 12220033020321 - 2¹⁰ = 12220033019297 is a prime.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12220033022321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4430995 + ... + 6638808.

It is an arithmetic number, because the mean of its divisors is an integer number (1163834913344).

Almost surely, 2^{12220033020321} is an apocalyptic number.

It is an amenable number.

12220033020321 is a deficient number, since it is larger than the sum of its proper divisors (6401325593183).

12220033020321 is a wasteful number, since it uses less digits than its factorization.

12220033020321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11122380.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 12220033020321 its reverse (12302033002221), we get a palindrome (24522066022542).

The spelling of 12220033020321 in words is "twelve trillion, two hundred twenty billion, thirty-three million, twenty thousand, three hundred twenty-one".