842012 has 12 divisors (see below), whose sum is σ = 1482936. Its totient is φ = 418320.

The previous prime is 842003. The next prime is 842021. The reversal of 842012 is 210248.

842012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (842003) and next prime (842021).

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

842012 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143 + ... + 1305.

It is an arithmetic number, because the mean of its divisors is an integer number (123578).

2⁸⁴²⁰¹² is an apocalyptic number.

It is an amenable number.

842012 is a deficient number, since it is larger than the sum of its proper divisors (640924).

842012 is a wasteful number, since it uses less digits than its factorization.

842012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1348 (or 1346 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 842012 is about 917.6121184902. The cubic root of 842012 is about 94.4291528748.

The spelling of 842012 in words is "eight hundred forty-two thousand, twelve".