12002042 has 12 divisors (see below), whose sum is σ = 19494990. Its totient is φ = 5539248.

The previous prime is 12001999. The next prime is 12002059. The reversal of 12002042 is 24020021.

It can be written as a sum of positive squares in 3 ways, for example, as 3352561 + 8649481 = 1831^2 + 2941^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17417 + ... + 18092.

Almost surely, 2^12002042 is an apocalyptic number.

12002042 is a deficient number, since it is larger than the sum of its proper divisors (7492948).

12002042 is a wasteful number, since it uses less digits than its factorization.

12002042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35537 (or 35524 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 12002042 is about 3464.3963399126. The cubic root of 12002042 is about 228.9558339213.

Adding to 12002042 its reverse (24020021), we get a palindrome (36022063).

The spelling of 12002042 in words is "twelve million, two thousand, forty-two".