12117190 has 8 divisors (see below), whose sum is σ = 21810960. Its totient is φ = 4846872.

The previous prime is 12117121. The next prime is 12117221. The reversal of 12117190 is 9171121.

12117190 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 super-2 number, since 2×12117190² = 293652586992200, which contains 22 as substring.

It is a congruent number.

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, 605850 + ... + 605869.

It is an arithmetic number, because the mean of its divisors is an integer number (2726370).

Almost surely, 2^12117190 is an apocalyptic number.

12117190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12117190 is a deficient number, since it is larger than the sum of its proper divisors (9693770).

12117190 is a wasteful number, since it uses less digits than its factorization.

12117190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1211726.

The product of its (nonzero) digits is 126, while the sum is 22.

The square root of 12117190 is about 3480.9754380058. The cubic root of 12117190 is about 229.6857080860.

The spelling of 12117190 in words is "twelve million, one hundred seventeen thousand, one hundred ninety".