122689068196 has 12 divisors (see below), whose sum is σ = 222109520220. Its totient is φ = 59229205280.

The previous prime is 122689068179. The next prime is 122689068197. The reversal of 122689068196 is 691860986221.

It can be written as a sum of positive squares in 2 ways, for example, as 86859878400 + 35829189796 = 294720^2 + 189286^2 .

It is a Harshad number since it is a multiple of its sum of digits (58).

It is a self number, because there is not a number n which added to its sum of digits gives 122689068196.

It is not an unprimeable number, because it can be changed into a prime (122689068197) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 528832075 + ... + 528832306.

It is an arithmetic number, because the mean of its divisors is an integer number (18509126685).

Almost surely, 2^122689068196 is an apocalyptic number.

It is an amenable number.

122689068196 is a deficient number, since it is larger than the sum of its proper divisors (99420452024).

122689068196 is a wasteful number, since it uses less digits than its factorization.

122689068196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1057664414 (or 1057664412 counting only the distinct ones).

The product of its (nonzero) digits is 4478976, while the sum is 58.

The spelling of 122689068196 in words is "one hundred twenty-two billion, six hundred eighty-nine million, sixty-eight thousand, one hundred ninety-six".