12214816827 has 4 divisors (see below), whose sum is σ = 16286422440. Its totient is φ = 8143211216.

The previous prime is 12214816807. The next prime is 12214816841. The reversal of 12214816827 is 72861841221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12214816827 - 2¹⁴ = 12214800443 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12214816807) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2035802802 + ... + 2035802807.

It is an arithmetic number, because the mean of its divisors is an integer number (4071605610).

Almost surely, 2^12214816827 is an apocalyptic number.

12214816827 is a deficient number, since it is larger than the sum of its proper divisors (4071605613).

12214816827 is an equidigital number, since it uses as much as digits as its factorization.

12214816827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4071605612.

The product of its digits is 86016, while the sum is 42.

The spelling of 12214816827 in words is "twelve billion, two hundred fourteen million, eight hundred sixteen thousand, eight hundred twenty-seven".