33030222012 has 48 divisors (see below), whose sum is σ = 90671202720. Its totient is φ = 10362422016.

The previous prime is 33030221981. The next prime is 33030222013. The reversal of 33030222012 is 21022203033.

It is a happy number.

33030222012 is a `hidden beast` number, since 330 + 302 + 2 + 20 + 12 = 666.

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 (33030222013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8993323 + ... + 8996994.

It is an arithmetic number, because the mean of its divisors is an integer number (1888983390).

Almost surely, 2^33030222012 is an apocalyptic number.

It is an amenable number.

33030222012 is an abundant number, since it is smaller than the sum of its proper divisors (57640980708).

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

33030222012 is a wasteful number, since it uses less digits than its factorization.

33030222012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17990347 (or 17990339 counting only the distinct ones).

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

Adding to 33030222012 its reverse (21022203033), we get a palindrome (54052425045).

The spelling of 33030222012 in words is "thirty-three billion, thirty million, two hundred twenty-two thousand, twelve".