12971803358 has 4 divisors (see below), whose sum is σ = 19457705040. Its totient is φ = 6485901678.

The previous prime is 12971803319. The next prime is 12971803451. The reversal of 12971803358 is 85330817921.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 85330817921 = 10091 ⋅8456131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3242950838 + ... + 3242950841.

It is an arithmetic number, because the mean of its divisors is an integer number (4864426260).

Almost surely, 2^12971803358 is an apocalyptic number.

12971803358 is a deficient number, since it is larger than the sum of its proper divisors (6485901682).

12971803358 is an equidigital number, since it uses as much as digits as its factorization.

12971803358 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6485901681.

The product of its (nonzero) digits is 362880, while the sum is 47.

The spelling of 12971803358 in words is "twelve billion, nine hundred seventy-one million, eight hundred three thousand, three hundred fifty-eight".