12406045720 has 32 divisors (see below), whose sum is σ = 28876143600. Its totient is φ = 4791299968.

The previous prime is 12406045703. The next prime is 12406045723. The reversal of 12406045720 is 2754060421.

12406045720 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12406045723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5346274 + ... + 5348593.

Almost surely, 2^12406045720 is an apocalyptic number.

12406045720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12406045720 is an abundant number, since it is smaller than the sum of its proper divisors (16470097880).

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

12406045720 is a wasteful number, since it uses less digits than its factorization.

12406045720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10694907 (or 10694903 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 31.

The spelling of 12406045720 in words is "twelve billion, four hundred six million, forty-five thousand, seven hundred twenty".