12224577887 has 8 divisors (see below), whose sum is σ = 12511994880. Its totient is φ = 11937303000.

The previous prime is 12224577881. The next prime is 12224577899. The reversal of 12224577887 is 78877542221.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12224577887 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12224577881) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 149762 + ... + 216512.

It is an arithmetic number, because the mean of its divisors is an integer number (1563999360).

Almost surely, 2^12224577887 is an apocalyptic number.

12224577887 is a deficient number, since it is larger than the sum of its proper divisors (287416993).

12224577887 is an equidigital number, since it uses as much as digits as its factorization.

12224577887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71053.

The product of its digits is 3512320, while the sum is 53.

The spelling of 12224577887 in words is "twelve billion, two hundred twenty-four million, five hundred seventy-seven thousand, eight hundred eighty-seven".