12722045137 has 16 divisors (see below), whose sum is σ = 13692873600. Its totient is φ = 11783715840.

The previous prime is 12722045113. The next prime is 12722045159. The reversal of 12722045137 is 73154022721.

It is a cyclic number.

It is not a de Polignac number, because 12722045137 - 2⁷ = 12722045009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12722045437) 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, 160689 + ... + 226417.

It is an arithmetic number, because the mean of its divisors is an integer number (855804600).

Almost surely, 2^12722045137 is an apocalyptic number.

It is an amenable number.

12722045137 is a deficient number, since it is larger than the sum of its proper divisors (970828463).

12722045137 is a wasteful number, since it uses less digits than its factorization.

12722045137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65976.

The product of its (nonzero) digits is 23520, while the sum is 34.

Adding to 12722045137 its reverse (73154022721), we get a palindrome (85876067858).

The spelling of 12722045137 in words is "twelve billion, seven hundred twenty-two million, forty-five thousand, one hundred thirty-seven".