12456354311 has 8 divisors (see below), whose sum is σ = 13301558400. Its totient is φ = 11638861920.

The previous prime is 12456354289. The next prime is 12456354319. The reversal of 12456354311 is 11345365421.

12456354311 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 12456354311 - 2¹⁸ = 12456092167 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 (12456354319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6926996 + ... + 6928793.

It is an arithmetic number, because the mean of its divisors is an integer number (1662694800).

Almost surely, 2^12456354311 is an apocalyptic number.

12456354311 is a deficient number, since it is larger than the sum of its proper divisors (845204089).

12456354311 is a wasteful number, since it uses less digits than its factorization.

12456354311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13855849.

The product of its digits is 43200, while the sum is 35.

The spelling of 12456354311 in words is "twelve billion, four hundred fifty-six million, three hundred fifty-four thousand, three hundred eleven".