12780871324 has 12 divisors (see below), whose sum is σ = 24087026824. Its totient is φ = 5898863664.

The previous prime is 12780871267. The next prime is 12780871349. The reversal of 12780871324 is 42317808721.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122892942 + ... + 122893045.

Almost surely, 2^12780871324 is an apocalyptic number.

It is an amenable number.

12780871324 is a deficient number, since it is larger than the sum of its proper divisors (11306155500).

12780871324 is a wasteful number, since it uses less digits than its factorization.

12780871324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245786004 (or 245786002 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 43.

The spelling of 12780871324 in words is "twelve billion, seven hundred eighty million, eight hundred seventy-one thousand, three hundred twenty-four".