12916222755 has 8 divisors (see below), whose sum is σ = 20665956432. Its totient is φ = 6888652128.

The previous prime is 12916222741. The next prime is 12916222771. The reversal of 12916222755 is 55722261921.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12916222755 - 2⁶ = 12916222691 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 430540744 + ... + 430540773.

It is an arithmetic number, because the mean of its divisors is an integer number (2583244554).

Almost surely, 2^12916222755 is an apocalyptic number.

12916222755 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12916222755 is a deficient number, since it is larger than the sum of its proper divisors (7749733677).

12916222755 is an equidigital number, since it uses as much as digits as its factorization.

12916222755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 861081525.

The product of its digits is 151200, while the sum is 42.

The spelling of 12916222755 in words is "twelve billion, nine hundred sixteen million, two hundred twenty-two thousand, seven hundred fifty-five".