12127747603 has 16 divisors (see below), whose sum is σ = 12454041600. Its totient is φ = 11806674880.

The previous prime is 12127747591. The next prime is 12127747663. The reversal of 12127747603 is 30674772121.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12127747603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12127747663) 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, 2294718 + ... + 2299996.

It is an arithmetic number, because the mean of its divisors is an integer number (778377600).

Almost surely, 2^12127747603 is an apocalyptic number.

12127747603 is a deficient number, since it is larger than the sum of its proper divisors (326293997).

12127747603 is an equidigital number, since it uses as much as digits as its factorization.

12127747603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5762.

The product of its (nonzero) digits is 98784, while the sum is 40.

The spelling of 12127747603 in words is "twelve billion, one hundred twenty-seven million, seven hundred forty-seven thousand, six hundred three".