9942012 has 72 divisors (see below), whose sum is σ = 26535600. Its totient is φ = 3134208.

The previous prime is 9942007. The next prime is 9942013. The reversal of 9942012 is 2102499.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9942013) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 92863 + ... + 92969.

It is an arithmetic number, because the mean of its divisors is an integer number (368550).

Almost surely, 2^9942012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9942012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13267800).

9942012 is an abundant number, since it is smaller than the sum of its proper divisors (16593588).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9942012 is a wasteful number, since it uses less digits than its factorization.

9942012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235 (or 230 counting only the distinct ones).

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

The square root of 9942012 is about 3153.0956217660. The cubic root of 9942012 is about 215.0262235906.

The spelling of 9942012 in words is "nine million, nine hundred forty-two thousand, twelve".