12422746720 has 48 divisors (see below), whose sum is σ = 29973198528. Its totient is φ = 4863370240.

The previous prime is 12422746717. The next prime is 12422746727. The reversal of 12422746720 is 2764722421.

It is a self number, because there is not a number n which added to its sum of digits gives 12422746720.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12422746727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 818461 + ... + 833500.

It is an arithmetic number, because the mean of its divisors is an integer number (624441636).

Almost surely, 2^12422746720 is an apocalyptic number.

12422746720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12422746720 is an abundant number, since it is smaller than the sum of its proper divisors (17550451808).

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

12422746720 is a wasteful number, since it uses less digits than its factorization.

12422746720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1652023 (or 1652015 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 37.

The spelling of 12422746720 in words is "twelve billion, four hundred twenty-two million, seven hundred forty-six thousand, seven hundred twenty".