12545226406433 has 4 divisors (see below), whose sum is σ = 14337401607360. Its totient is φ = 10753051205508.

The previous prime is 12545226406423. The next prime is 12545226406451. The reversal of 12545226406433 is 33460462254521.

12545226406433 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 12545226406433 - 2¹² = 12545226402337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12545226406423) 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, 896087600453 + ... + 896087600466.

It is an arithmetic number, because the mean of its divisors is an integer number (3584350401840).

Almost surely, 2^{12545226406433} is an apocalyptic number.

It is an amenable number.

12545226406433 is a deficient number, since it is larger than the sum of its proper divisors (1792175200927).

12545226406433 is an equidigital number, since it uses as much as digits as its factorization.

12545226406433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1792175200926.

The product of its (nonzero) digits is 4147200, while the sum is 47.

The spelling of 12545226406433 in words is "twelve trillion, five hundred forty-five billion, two hundred twenty-six million, four hundred six thousand, four hundred thirty-three".