12775216443 has 32 divisors (see below), whose sum is σ = 18729219840. Its totient is φ = 7681443840.

The previous prime is 12775216429. The next prime is 12775216483. The reversal of 12775216443 is 34461257721.

It is not a de Polignac number, because 12775216443 - 2⁴ = 12775216427 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12775216395 and 12775216404.

It is not an unprimeable number, because it can be changed into a prime (12775216483) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3618303 + ... + 3621831.

It is an arithmetic number, because the mean of its divisors is an integer number (585288120).

Almost surely, 2^12775216443 is an apocalyptic number.

12775216443 is a deficient number, since it is larger than the sum of its proper divisors (5954003397).

12775216443 is a wasteful number, since it uses less digits than its factorization.

12775216443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4379.

The product of its digits is 282240, while the sum is 42.

The spelling of 12775216443 in words is "twelve billion, seven hundred seventy-five million, two hundred sixteen thousand, four hundred forty-three".