12780472366 has 8 divisors (see below), whose sum is σ = 19176123960. Its totient is φ = 6388431048.

The previous prime is 12780472361. The next prime is 12780472403. The reversal of 12780472366 is 66327408721.

12780472366 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12780472361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 893701 + ... + 907888.

It is an arithmetic number, because the mean of its divisors is an integer number (2397015495).

Almost surely, 2^12780472366 is an apocalyptic number.

12780472366 is a deficient number, since it is larger than the sum of its proper divisors (6395651594).

12780472366 is a wasteful number, since it uses less digits than its factorization.

12780472366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1805138.

The product of its (nonzero) digits is 677376, while the sum is 46.

The spelling of 12780472366 in words is "twelve billion, seven hundred eighty million, four hundred seventy-two thousand, three hundred sixty-six".