33342012 has 72 divisors (see below), whose sum is σ = 92579760. Its totient is φ = 10033920.

The previous prime is 33342007. The next prime is 33342031. The reversal of 33342012 is 21024333.

It is a super-2 number, since 2×33342012² = 2223379528416288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 106368 + ... + 106680.

It is an arithmetic number, because the mean of its divisors is an integer number (1285830).

Almost surely, 2^33342012 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 33342012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46289880).

33342012 is an abundant number, since it is smaller than the sum of its proper divisors (59237748).

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

33342012 is a wasteful number, since it uses less digits than its factorization.

33342012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 603 (or 598 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 33342012 is about 5774.2542375618. The cubic root of 33342012 is about 321.8577229800.

Adding to 33342012 its reverse (21024333), we get a palindrome (54366345).

The spelling of 33342012 in words is "thirty-three million, three hundred forty-two thousand, twelve".