122661657127206 has 48 divisors (see below), whose sum is σ = 281416417040304. Its totient is φ = 38479880673792.

The previous prime is 122661657127193. The next prime is 122661657127213. The reversal of 122661657127206 is 602721756166221.

122661657127206 is a `hidden beast` number, since 1 + 2 + 2 + 6 + 61 + 6 + 571 + 2 + 7 + 2 + 0 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6152871 + ... + 16827986.

It is an arithmetic number, because the mean of its divisors is an integer number (5862842021673).

Almost surely, 2^{122661657127206} is an apocalyptic number.

122661657127206 is an abundant number, since it is smaller than the sum of its proper divisors (158754759913098).

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

122661657127206 is a wasteful number, since it uses less digits than its factorization.

122661657127206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22998325 (or 22998322 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 54.

The spelling of 122661657127206 in words is "one hundred twenty-two trillion, six hundred sixty-one billion, six hundred fifty-seven million, one hundred twenty-seven thousand, two hundred six".