12099122 has 8 divisors (see below), whose sum is σ = 20741376. Its totient is φ = 5185332.

The previous prime is 12099089. The next prime is 12099133. The reversal of 12099122 is 22199021.

It is a happy number.

12099122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 12099091 and 12099100.

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, 432098 + ... + 432125.

It is an arithmetic number, because the mean of its divisors is an integer number (2592672).

Almost surely, 2^12099122 is an apocalyptic number.

12099122 is a deficient number, since it is larger than the sum of its proper divisors (8642254).

12099122 is an equidigital number, since it uses as much as digits as its factorization.

12099122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 864232.

The product of its (nonzero) digits is 648, while the sum is 26.

The square root of 12099122 is about 3478.3792202691. The cubic root of 12099122 is about 229.5714894771.

It can be divided in two parts, 12099 and 122, that added together give a palindrome (12221).

The spelling of 12099122 in words is "twelve million, ninety-nine thousand, one hundred twenty-two".