12420323313 has 16 divisors (see below), whose sum is σ = 17469883200. Its totient is φ = 7827382080.

The previous prime is 12420323269. The next prime is 12420323317. The reversal of 12420323313 is 31332302421.

It is not a de Polignac number, because 12420323313 - 2⁸ = 12420323057 is a prime.

It is a super-3 number, since 3×12420323313³ (a number of 31 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (12420323317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 210058 + ... + 262611.

It is an arithmetic number, because the mean of its divisors is an integer number (1091867700).

Almost surely, 2^12420323313 is an apocalyptic number.

It is an amenable number.

12420323313 is a deficient number, since it is larger than the sum of its proper divisors (5049559887).

12420323313 is a wasteful number, since it uses less digits than its factorization.

12420323313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473152.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 12420323313 its reverse (31332302421), we get a palindrome (43752625734).

The spelling of 12420323313 in words is "twelve billion, four hundred twenty million, three hundred twenty-three thousand, three hundred thirteen".