12722045140 has 48 divisors (see below), whose sum is σ = 30573817344. Its totient is φ = 4356000000.

The previous prime is 12722045113. The next prime is 12722045159. The reversal of 12722045140 is 4154022721.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 12722045099 and 12722045108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44640 + ... + 165640.

It is an arithmetic number, because the mean of its divisors is an integer number (636954528).

Almost surely, 2^12722045140 is an apocalyptic number.

12722045140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12722045140 is an abundant number, since it is smaller than the sum of its proper divisors (17851772204).

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

12722045140 is a wasteful number, since it uses less digits than its factorization.

12722045140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121768 (or 121766 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 28.

Adding to 12722045140 its reverse (4154022721), we get a palindrome (16876067861).

The spelling of 12722045140 in words is "twelve billion, seven hundred twenty-two million, forty-five thousand, one hundred forty".