12580470378 has 24 divisors (see below), whose sum is σ = 31151641248. Its totient is φ = 3594420072.

The previous prime is 12580470337. The next prime is 12580470421. The reversal of 12580470378 is 87307408521.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49922376 + ... + 49922627.

It is an arithmetic number, because the mean of its divisors is an integer number (1297985052).

Almost surely, 2^12580470378 is an apocalyptic number.

12580470378 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

12580470378 is an abundant number, since it is smaller than the sum of its proper divisors (18571170870).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12580470378 is a wasteful number, since it uses less digits than its factorization.

12580470378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99845018 (or 99845015 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 45.

Adding to 12580470378 its reverse (87307408521), we get a palindrome (99887878899).

The spelling of 12580470378 in words is "twelve billion, five hundred eighty million, four hundred seventy thousand, three hundred seventy-eight".