12223200030021 has 16 divisors (see below), whose sum is σ = 18405304237120. Its totient is φ = 8015213133360.

The previous prime is 12223200030001. The next prime is 12223200030023. The reversal of 12223200030021 is 12003000232221.

12223200030021 is a `hidden beast` number, since 1 + 2 + 22 + 320 + 0 + 0 + 300 + 21 = 666.

It is not a de Polignac number, because 12223200030021 - 2¹³ = 12223200021829 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12223200029976 and 12223200030003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12223200030023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3710745175 + ... + 3710748468.

It is an arithmetic number, because the mean of its divisors is an integer number (1150331514820).

Almost surely, 2^{12223200030021} is an apocalyptic number.

It is an amenable number.

12223200030021 is a deficient number, since it is larger than the sum of its proper divisors (6182104207099).

12223200030021 is an equidigital number, since it uses as much as digits as its factorization.

12223200030021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7421493713 (or 7421493707 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 12223200030021 its reverse (12003000232221), we get a palindrome (24226200262242).

The spelling of 12223200030021 in words is "twelve trillion, two hundred twenty-three billion, two hundred million, thirty thousand, twenty-one".