12147247103 has 4 divisors (see below), whose sum is σ = 12148788960. Its totient is φ = 12145705248.

The previous prime is 12147247097. The next prime is 12147247109. The reversal of 12147247103 is 30174274121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30174274121 = 379 ⋅79615499.

It is an interprime number because it is at equal distance from previous prime (12147247097) and next prime (12147247109).

It is a cyclic number.

It is not a de Polignac number, because 12147247103 - 2³⁰ = 11073505279 is a prime.

It is a super-2 number, since 2×12147247103² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12147247103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12147247109) 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, 759050 + ... + 774887.

It is an arithmetic number, because the mean of its divisors is an integer number (3037197240).

Almost surely, 2^12147247103 is an apocalyptic number.

12147247103 is a deficient number, since it is larger than the sum of its proper divisors (1541857).

12147247103 is an equidigital number, since it uses as much as digits as its factorization.

12147247103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1541856.

The product of its (nonzero) digits is 9408, while the sum is 32.

The spelling of 12147247103 in words is "twelve billion, one hundred forty-seven million, two hundred forty-seven thousand, one hundred three".