12042099 has 12 divisors (see below), whose sum is σ = 17511312. Its totient is φ = 7974000.

The previous prime is 12042091. The next prime is 12042109. The reversal of 12042099 is 99024021.

It is not a de Polignac number, because 12042099 - 2³ = 12042091 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12042091) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3072 + ... + 5789.

It is an arithmetic number, because the mean of its divisors is an integer number (1459276).

Almost surely, 2^12042099 is an apocalyptic number.

12042099 is a deficient number, since it is larger than the sum of its proper divisors (5469213).

12042099 is a wasteful number, since it uses less digits than its factorization.

12042099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9018 (or 9015 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 12042099 is about 3470.1727622699. The cubic root of 12042099 is about 229.2102656148.

The spelling of 12042099 in words is "twelve million, forty-two thousand, ninety-nine".