12177227882 has 8 divisors (see below), whose sum is σ = 18270173700. Its totient is φ = 6087169984.

The previous prime is 12177227863. The next prime is 12177227897. The reversal of 12177227882 is 28872277121.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 12104620441 + 72607441 = 110021^2 + 8521^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 711407 + ... + 728322.

Almost surely, 2^12177227882 is an apocalyptic number.

12177227882 is a deficient number, since it is larger than the sum of its proper divisors (6092945818).

12177227882 is a wasteful number, since it uses less digits than its factorization.

12177227882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1443960.

The product of its digits is 351232, while the sum is 47.

The spelling of 12177227882 in words is "twelve billion, one hundred seventy-seven million, two hundred twenty-seven thousand, eight hundred eighty-two".