12722275953 has 6 divisors (see below), whose sum is σ = 18376620834. Its totient is φ = 8481517296.

The previous prime is 12722275921. The next prime is 12722275967. The reversal of 12722275953 is 35957222721.

12722275953 is a `hidden beast` number, since 12 + 7 + 22 + 27 + 595 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 8115667569 + 4606608384 = 90087^2 + 67872^2 .

It is not a de Polignac number, because 12722275953 - 2⁵ = 12722275921 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12722275899 and 12722275908.

It is not an unprimeable number, because it can be changed into a prime (12722275253) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 706793100 + ... + 706793117.

It is an arithmetic number, because the mean of its divisors is an integer number (3062770139).

Almost surely, 2^12722275953 is an apocalyptic number.

It is an amenable number.

12722275953 is a deficient number, since it is larger than the sum of its proper divisors (5654344881).

12722275953 is a wasteful number, since it uses less digits than its factorization.

12722275953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1413586223 (or 1413586220 counting only the distinct ones).

The product of its digits is 529200, while the sum is 45.

The spelling of 12722275953 in words is "twelve billion, seven hundred twenty-two million, two hundred seventy-five thousand, nine hundred fifty-three".