122663712573 has 12 divisors (see below), whose sum is σ = 178205087580. Its totient is φ = 81303114816.

The previous prime is 122663712553. The next prime is 122663712581. The reversal of 122663712573 is 375217366221.

122663712573 is a `hidden beast` number, since 1 + 2 + 2 + 6 + 6 + 3 + 71 + 2 + 573 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 70735785444 + 51927927129 = 265962^2 + 227877^2 .

It is not a de Polignac number, because 122663712573 - 2¹³ = 122663704381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122663712553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39389488 + ... + 39392601.

It is an arithmetic number, because the mean of its divisors is an integer number (14850423965).

Almost surely, 2^122663712573 is an apocalyptic number.

It is an amenable number.

122663712573 is a deficient number, since it is larger than the sum of its proper divisors (55541375007).

122663712573 is a wasteful number, since it uses less digits than its factorization.

122663712573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78782268 (or 78782265 counting only the distinct ones).

The product of its digits is 635040, while the sum is 45.

The spelling of 122663712573 in words is "one hundred twenty-two billion, six hundred sixty-three million, seven hundred twelve thousand, five hundred seventy-three".