12420332033 has 4 divisors (see below), whose sum is σ = 12709177008. Its totient is φ = 12131487060.

The previous prime is 12420332021. The next prime is 12420332083. The reversal of 12420332033 is 33023302421.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12420332033 - 2¹⁶ = 12420266497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12420332003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144422423 + ... + 144422508.

It is an arithmetic number, because the mean of its divisors is an integer number (3177294252).

Almost surely, 2^12420332033 is an apocalyptic number.

It is an amenable number.

12420332033 is a deficient number, since it is larger than the sum of its proper divisors (288844975).

12420332033 is an equidigital number, since it uses as much as digits as its factorization.

12420332033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288844974.

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 12420332033 its reverse (33023302421), we get a palindrome (45443634454).

The spelling of 12420332033 in words is "twelve billion, four hundred twenty million, three hundred thirty-two thousand, thirty-three".