12420023233 has 16 divisors (see below), whose sum is σ = 12733298496. Its totient is φ = 12109930560.

The previous prime is 12420023221. The next prime is 12420023243. The reversal of 12420023233 is 33232002421.

It is a cyclic number.

It is not a de Polignac number, because 12420023233 - 2⁵ = 12420023201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12420023243) 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, 7207510 + ... + 7209232.

It is an arithmetic number, because the mean of its divisors is an integer number (795831156).

Almost surely, 2^12420023233 is an apocalyptic number.

It is an amenable number.

12420023233 is a deficient number, since it is larger than the sum of its proper divisors (313275263).

12420023233 is a wasteful number, since it uses less digits than its factorization.

12420023233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2544.

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 12420023233 its reverse (33232002421), we get a palindrome (45652025654).

The spelling of 12420023233 in words is "twelve billion, four hundred twenty million, twenty-three thousand, two hundred thirty-three".