33126012 has 18 divisors (see below), whose sum is σ = 83735288. Its totient is φ = 11041992.

The previous prime is 33125993. The next prime is 33126019. The reversal of 33126012 is 21062133.

It is a tau number, because it is divible by the number of its divisors (18).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33126019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 460048 + ... + 460119.

Almost surely, 2^33126012 is an apocalyptic number.

It is an amenable number.

33126012 is an abundant number, since it is smaller than the sum of its proper divisors (50609276).

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

33126012 is a wasteful number, since it uses less digits than its factorization.

33126012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 920177 (or 920172 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 33126012 is about 5755.5201328811. The cubic root of 33126012 is about 321.1611849539.

Adding to 33126012 its reverse (21062133), we get a palindrome (54188145).

The spelling of 33126012 in words is "thirty-three million, one hundred twenty-six thousand, twelve".