12564201433 has 8 divisors (see below), whose sum is σ = 14693019968. Its totient is φ = 10518866064.

The previous prime is 12564201379. The next prime is 12564201439. The reversal of 12564201433 is 33410246521.

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

It is a de Polignac number, because none of the positive numbers 2^k-12564201433 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12564201395 and 12564201404.

It is not an unprimeable number, because it can be changed into a prime (12564201439) 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, 20870466 + ... + 20871067.

It is an arithmetic number, because the mean of its divisors is an integer number (1836627496).

Almost surely, 2^12564201433 is an apocalyptic number.

It is an amenable number.

12564201433 is a deficient number, since it is larger than the sum of its proper divisors (2128818535).

12564201433 is an equidigital number, since it uses as much as digits as its factorization.

12564201433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41741583.

The product of its (nonzero) digits is 17280, while the sum is 31.

Adding to 12564201433 its reverse (33410246521), we get a palindrome (45974447954).

The spelling of 12564201433 in words is "twelve billion, five hundred sixty-four million, two hundred one thousand, four hundred thirty-three".