12001442 has 8 divisors (see below), whose sum is σ = 18271056. Its totient is φ = 5911092.

The previous prime is 12001427. The next prime is 12001453. The reversal of 12001442 is 24410021.

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

It is a super-2 number, since 2×12001442² = 288069220158728, which contains 22 as substring.

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, 44648 + ... + 44915.

It is an arithmetic number, because the mean of its divisors is an integer number (2283882).

Almost surely, 2^12001442 is an apocalyptic number.

12001442 is a deficient number, since it is larger than the sum of its proper divisors (6269614).

12001442 is an equidigital number, since it uses as much as digits as its factorization.

12001442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89632.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 12001442 is about 3464.3097436575. The cubic root of 12001442 is about 228.9520185764.

Adding to 12001442 its reverse (24410021), we get a palindrome (36411463).

The spelling of 12001442 in words is "twelve million, one thousand, four hundred forty-two".