12281206380 has 48 divisors (see below), whose sum is σ = 34392795360. Its totient is φ = 3274472448.

The previous prime is 12281206373. The next prime is 12281206381. The reversal of 12281206380 is 8360218221.

It is not an unprimeable number, because it can be changed into a prime (12281206381) 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, 509562 + ... + 533118.

It is an arithmetic number, because the mean of its divisors is an integer number (716516570).

Almost surely, 2^12281206380 is an apocalyptic number.

12281206380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12281206380 is an abundant number, since it is smaller than the sum of its proper divisors (22111588980).

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

12281206380 is a wasteful number, since it uses less digits than its factorization.

12281206380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32258 (or 32256 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 33.

The spelling of 12281206380 in words is "twelve billion, two hundred eighty-one million, two hundred six thousand, three hundred eighty".