12247946027 has 4 divisors (see below), whose sum is σ = 12250719600. Its totient is φ = 12245172456.

The previous prime is 12247945973. The next prime is 12247946033. The reversal of 12247946027 is 72064974221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12247946027 - 2⁸ = 12247945771 is a prime.

It is a super-4 number, since 4×12247946027⁴ (a number of 41 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12247946057) 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, 1380152 + ... + 1388997.

It is an arithmetic number, because the mean of its divisors is an integer number (3062679900).

Almost surely, 2^12247946027 is an apocalyptic number.

12247946027 is a deficient number, since it is larger than the sum of its proper divisors (2773573).

12247946027 is an equidigital number, since it uses as much as digits as its factorization.

12247946027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2773572.

The product of its (nonzero) digits is 338688, while the sum is 44.

The spelling of 12247946027 in words is "twelve billion, two hundred forty-seven million, nine hundred forty-six thousand, twenty-seven".