12832457378 has 32 divisors (see below), whose sum is σ = 22656775680. Its totient is φ = 5394458880.

The previous prime is 12832457371. The next prime is 12832457389. The reversal of 12832457378 is 87375423821.

It is not an unprimeable number, because it can be changed into a prime (12832457371) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 454568 + ... + 481971.

It is an arithmetic number, because the mean of its divisors is an integer number (708024240).

Almost surely, 2^12832457378 is an apocalyptic number.

12832457378 is a deficient number, since it is larger than the sum of its proper divisors (9824318302).

12832457378 is a wasteful number, since it uses less digits than its factorization.

12832457378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 936602.

The product of its digits is 2257920, while the sum is 50.

The spelling of 12832457378 in words is "twelve billion, eight hundred thirty-two million, four hundred fifty-seven thousand, three hundred seventy-eight".