12345771473 has 16 divisors (see below), whose sum is σ = 14228951040. Its totient is φ = 10492566336.

The previous prime is 12345771469. The next prime is 12345771481. The reversal of 12345771473 is 37417754321.

It is not a de Polignac number, because 12345771473 - 2² = 12345771469 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12345771413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2120915 + ... + 2126727.

It is an arithmetic number, because the mean of its divisors is an integer number (889309440).

Almost surely, 2^12345771473 is an apocalyptic number.

It is an amenable number.

12345771473 is a deficient number, since it is larger than the sum of its proper divisors (1883179567).

12345771473 is a wasteful number, since it uses less digits than its factorization.

12345771473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8336.

The product of its digits is 493920, while the sum is 44.

The spelling of 12345771473 in words is "twelve billion, three hundred forty-five million, seven hundred seventy-one thousand, four hundred seventy-three".