12142190 has 8 divisors (see below), whose sum is σ = 21855960. Its totient is φ = 4856872.

The previous prime is 12142177. The next prime is 12142217. The reversal of 12142190 is 9124121.

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

It is a super-2 number, since 2×12142190² = 294865555992200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 607100 + ... + 607119.

It is an arithmetic number, because the mean of its divisors is an integer number (2731995).

Almost surely, 2^12142190 is an apocalyptic number.

12142190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12142190 is a deficient number, since it is larger than the sum of its proper divisors (9713770).

12142190 is a wasteful number, since it uses less digits than its factorization.

12142190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1214226.

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 12142190 is about 3484.5645352038. The cubic root of 12142190 is about 229.8435609157.

The spelling of 12142190 in words is "twelve million, one hundred forty-two thousand, one hundred ninety".