12784880450 has 24 divisors (see below), whose sum is σ = 23967132672. Its totient is φ = 5073682320.

The previous prime is 12784880419. The next prime is 12784880453. The reversal of 12784880450 is 5408848721.

It is a junction number, because it is equal to n+sod(n) for n = 12784880395 and 12784880404.

It is not an unprimeable number, because it can be changed into a prime (12784880453) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1000334 + ... + 1013033.

It is an arithmetic number, because the mean of its divisors is an integer number (998630528).

Almost surely, 2^12784880450 is an apocalyptic number.

12784880450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12784880450 is a deficient number, since it is larger than the sum of its proper divisors (11182252222).

12784880450 is a wasteful number, since it uses less digits than its factorization.

12784880450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2013506 (or 2013501 counting only the distinct ones).

The product of its (nonzero) digits is 573440, while the sum is 47.

The spelling of 12784880450 in words is "twelve billion, seven hundred eighty-four million, eight hundred eighty thousand, four hundred fifty".