122812196 has 12 divisors (see below), whose sum is σ = 231453852. Its totient is φ = 56682528.

The previous prime is 122812189. The next prime is 122812211. The reversal of 122812196 is 691218221.

It can be written as a sum of positive squares in 2 ways, for example, as 16516096 + 106296100 = 4064^2 + 10310^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1180835 + ... + 1180938.

It is an arithmetic number, because the mean of its divisors is an integer number (19287821).

Almost surely, 2^122812196 is an apocalyptic number.

It is an amenable number.

122812196 is a deficient number, since it is larger than the sum of its proper divisors (108641656).

122812196 is a wasteful number, since it uses less digits than its factorization.

122812196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2361790 (or 2361788 counting only the distinct ones).

The product of its digits is 3456, while the sum is 32.

The square root of 122812196 is about 11082.0664138057. The cubic root of 122812196 is about 497.0657419441.

The spelling of 122812196 in words is "one hundred twenty-two million, eight hundred twelve thousand, one hundred ninety-six".