12420304133 has 8 divisors (see below), whose sum is σ = 12702780288. Its totient is φ = 12139610704.

The previous prime is 12420304097. The next prime is 12420304151. The reversal of 12420304133 is 33140302421.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12420304133 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12420304099 and 12420304108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12420304333) 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, 431585 + ... + 459462.

It is an arithmetic number, because the mean of its divisors is an integer number (1587847536).

Almost surely, 2^12420304133 is an apocalyptic number.

It is an amenable number.

12420304133 is a deficient number, since it is larger than the sum of its proper divisors (282476155).

12420304133 is an equidigital number, since it uses as much as digits as its factorization.

12420304133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 891363.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 12420304133 its reverse (33140302421), we get a palindrome (45560606554).

The spelling of 12420304133 in words is "twelve billion, four hundred twenty million, three hundred four thousand, one hundred thirty-three".