12856468333 has 4 divisors (see below), whose sum is σ = 12857076540. Its totient is φ = 12855860128.

The previous prime is 12856468301. The next prime is 12856468363. The reversal of 12856468333 is 33386465821.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 33386465821 = 307 ⋅108750703.

It can be written as a sum of positive squares in 2 ways, for example, as 10060491204 + 2795977129 = 100302^2 + 52877^2 .

It is a cyclic number.

It is not a de Polignac number, because 12856468333 - 2⁵ = 12856468301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12856468363) 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, 271210 + ... + 315067.

It is an arithmetic number, because the mean of its divisors is an integer number (3214269135).

Almost surely, 2^12856468333 is an apocalyptic number.

It is an amenable number.

12856468333 is a deficient number, since it is larger than the sum of its proper divisors (608207).

12856468333 is an equidigital number, since it uses as much as digits as its factorization.

12856468333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 608206.

The product of its digits is 2488320, while the sum is 49.

The spelling of 12856468333 in words is "twelve billion, eight hundred fifty-six million, four hundred sixty-eight thousand, three hundred thirty-three".