12000142 has 32 divisors (see below), whose sum is σ = 23224320. Its totient is φ = 4512480.

The previous prime is 12000133. The next prime is 12000239. The reversal of 12000142 is 24100021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3123 + ... + 5809.

It is an arithmetic number, because the mean of its divisors is an integer number (725760).

Almost surely, 2^12000142 is an apocalyptic number.

12000142 is a deficient number, since it is larger than the sum of its proper divisors (11224178).

12000142 is a wasteful number, since it uses less digits than its factorization.

12000142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2736.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 12000142 is about 3464.1221110117. The cubic root of 12000142 is about 228.9437515595.

Adding to 12000142 its reverse (24100021), we get a palindrome (36100163).

The spelling of 12000142 in words is "twelve million, one hundred forty-two", and thus it is an aban number.