122631212066 has 64 divisors (see below), whose sum is σ = 205204285440. Its totient is φ = 54496200000.

The previous prime is 122631212059. The next prime is 122631212083. The reversal of 122631212066 is 660212136221.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 170557655 + ... + 170558373.

It is an arithmetic number, because the mean of its divisors is an integer number (3206316960).

Almost surely, 2^122631212066 is an apocalyptic number.

122631212066 is a deficient number, since it is larger than the sum of its proper divisors (82573073374).

122631212066 is a wasteful number, since it uses less digits than its factorization.

122631212066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1511.

The product of its (nonzero) digits is 10368, while the sum is 32.

Adding to 122631212066 its reverse (660212136221), we get a palindrome (782843348287).

The spelling of 122631212066 in words is "one hundred twenty-two billion, six hundred thirty-one million, two hundred twelve thousand, sixty-six".