12042199 has 8 divisors (see below), whose sum is σ = 13245120. Its totient is φ = 10878816.

The previous prime is 12042197. The next prime is 12042241. The reversal of 12042199 is 99124021.

It is a happy number.

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

It is not a de Polignac number, because 12042199 - 2¹ = 12042197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12042197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9244 + ... + 10465.

It is an arithmetic number, because the mean of its divisors is an integer number (1655640).

Almost surely, 2^12042199 is an apocalyptic number.

12042199 is a deficient number, since it is larger than the sum of its proper divisors (1202921).

12042199 is a wasteful number, since it uses less digits than its factorization.

12042199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19769.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 12042199 is about 3470.1871707445. The cubic root of 12042199 is about 229.2109000823.

It can be divided in two parts, 1204 and 2199, that added together give a triangular number (3403 = T₈₂).

The spelling of 12042199 in words is "twelve million, forty-two thousand, one hundred ninety-nine".