12278824465 has 8 divisors (see below), whose sum is σ = 14822821440. Its totient is φ = 9764238192.

The previous prime is 12278824463. The next prime is 12278824487. The reversal of 12278824465 is 56442887221.

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

It is a cyclic number.

It is not a de Polignac number, because 12278824465 - 2¹ = 12278824463 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12278824463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7351755 + ... + 7353424.

It is an arithmetic number, because the mean of its divisors is an integer number (1852852680).

Almost surely, 2^12278824465 is an apocalyptic number.

It is an amenable number.

12278824465 is a deficient number, since it is larger than the sum of its proper divisors (2543996975).

12278824465 is a wasteful number, since it uses less digits than its factorization.

12278824465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14705351.

The product of its digits is 1720320, while the sum is 49.

The spelling of 12278824465 in words is "twelve billion, two hundred seventy-eight million, eight hundred twenty-four thousand, four hundred sixty-five".