12195122 has 8 divisors (see below), whose sum is σ = 18738972. Its totient is φ = 5948800.

The previous prime is 12195077. The next prime is 12195149. The reversal of 12195122 is 22159121.

It can be written as a sum of positive squares in 2 ways, for example, as 8886361 + 3308761 = 2981^2 + 1819^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74279 + ... + 74442.

Almost surely, 2^12195122 is an apocalyptic number.

12195122 is a deficient number, since it is larger than the sum of its proper divisors (6543850).

12195122 is a wasteful number, since it uses less digits than its factorization.

12195122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148764.

The product of its digits is 360, while the sum is 23.

The square root of 12195122 is about 3492.1514858322. The cubic root of 12195122 is about 230.1770659189.

The spelling of 12195122 in words is "twelve million, one hundred ninety-five thousand, one hundred twenty-two".