12127516303 has 4 divisors (see below), whose sum is σ = 13860018640. Its totient is φ = 10395013968.

The previous prime is 12127516283. The next prime is 12127516333. The reversal of 12127516303 is 30361572121.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30361572121 = 2281 ⋅13310641.

It is a cyclic number.

It is not a de Polignac number, because 12127516303 - 2⁹ = 12127515791 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12127516333) 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, 866251158 + ... + 866251171.

It is an arithmetic number, because the mean of its divisors is an integer number (3465004660).

Almost surely, 2^12127516303 is an apocalyptic number.

12127516303 is a deficient number, since it is larger than the sum of its proper divisors (1732502337).

12127516303 is an equidigital number, since it uses as much as digits as its factorization.

12127516303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1732502336.

The product of its (nonzero) digits is 7560, while the sum is 31.

The spelling of 12127516303 in words is "twelve billion, one hundred twenty-seven million, five hundred sixteen thousand, three hundred three".