12223200021 has 8 divisors (see below), whose sum is σ = 16299018624. Its totient is φ = 8148090720.

The previous prime is 12223200019. The next prime is 12223200079. The reversal of 12223200021 is 12000232221.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12223200021 - 2¹ = 12223200019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12223200001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135720 + ... + 207041.

It is an arithmetic number, because the mean of its divisors is an integer number (2037377328).

Almost surely, 2^12223200021 is an apocalyptic number.

It is an amenable number.

12223200021 is a deficient number, since it is larger than the sum of its proper divisors (4075818603).

12223200021 is a wasteful number, since it uses less digits than its factorization.

12223200021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354651.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 12223200021 its reverse (12000232221), we get a palindrome (24223432242).

The spelling of 12223200021 in words is "twelve billion, two hundred twenty-three million, two hundred thousand, twenty-one".