33220330012 has 24 divisors (see below), whose sum is σ = 58993667712. Its totient is φ = 16365308400.

The previous prime is 33220330001. The next prime is 33220330061. The reversal of 33220330012 is 21003302233.

It is a happy number.

It is a super-2 number, since 2×33220330012² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 396603 + ... + 473005.

It is an arithmetic number, because the mean of its divisors is an integer number (2458069488).

Almost surely, 2^33220330012 is an apocalyptic number.

It is an amenable number.

33220330012 is a deficient number, since it is larger than the sum of its proper divisors (25773337700).

33220330012 is a wasteful number, since it uses less digits than its factorization.

33220330012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78009 (or 78007 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 33220330012 its reverse (21003302233), we get a palindrome (54223632245).

The spelling of 33220330012 in words is "thirty-three billion, two hundred twenty million, three hundred thirty thousand, twelve".