12247354385 has 32 divisors (see below), whose sum is σ = 17779703040. Its totient is φ = 7919993088.

The previous prime is 12247354331. The next prime is 12247354391. The reversal of 12247354385 is 58345374221.

It is not a de Polignac number, because 12247354385 - 2⁸ = 12247354129 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 96662 + ... + 183951.

It is an arithmetic number, because the mean of its divisors is an integer number (555615720).

Almost surely, 2^12247354385 is an apocalyptic number.

It is an amenable number.

12247354385 is a deficient number, since it is larger than the sum of its proper divisors (5532348655).

12247354385 is a wasteful number, since it uses less digits than its factorization.

12247354385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280697.

The product of its digits is 806400, while the sum is 44.

The spelling of 12247354385 in words is "twelve billion, two hundred forty-seven million, three hundred fifty-four thousand, three hundred eighty-five".