12345056289 has 8 divisors (see below), whose sum is σ = 18288972320. Its totient is φ = 8230037508.

The previous prime is 12345056279. The next prime is 12345056303. The reversal of 12345056289 is 98265054321.

12345056289 is a `hidden beast` number, since 1 + 2 + 3 + 4 + 5 + 0 + 562 + 89 = 666.

It is not a de Polignac number, because 12345056289 - 2¹⁶ = 12344990753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12345056239) 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, 228612127 + ... + 228612180.

It is an arithmetic number, because the mean of its divisors is an integer number (2286121540).

Almost surely, 2^12345056289 is an apocalyptic number.

It is an amenable number.

12345056289 is a deficient number, since it is larger than the sum of its proper divisors (5943916031).

12345056289 is an equidigital number, since it uses as much as digits as its factorization.

12345056289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457224316 (or 457224310 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 45.

The spelling of 12345056289 in words is "twelve billion, three hundred forty-five million, fifty-six thousand, two hundred eighty-nine".