12971777003 has 4 divisors (see below), whose sum is σ = 12972477648. Its totient is φ = 12971076360.

The previous prime is 12971776973. The next prime is 12971777017. The reversal of 12971777003 is 30077717921.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30077717921 = 67 ⋅448921163.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12971777003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12971777303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 321776 + ... + 359837.

It is an arithmetic number, because the mean of its divisors is an integer number (3243119412).

Almost surely, 2^12971777003 is an apocalyptic number.

12971777003 is a deficient number, since it is larger than the sum of its proper divisors (700645).

12971777003 is an equidigital number, since it uses as much as digits as its factorization.

12971777003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 700644.

The product of its (nonzero) digits is 129654, while the sum is 44.

The spelling of 12971777003 in words is "twelve billion, nine hundred seventy-one million, seven hundred seventy-seven thousand, three".