33021120012 has 24 divisors (see below), whose sum is σ = 77054037312. Its totient is φ = 11006360400.

The previous prime is 33021119993. The next prime is 33021120029. The reversal of 33021120012 is 21002112033.

It is a junction number, because it is equal to n+sod(n) for n = 33021119973 and 33021120000.

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, 141687 + ... + 293457.

It is an arithmetic number, because the mean of its divisors is an integer number (3210584888).

Almost surely, 2^33021120012 is an apocalyptic number.

It is an amenable number.

33021120012 is an abundant number, since it is smaller than the sum of its proper divisors (44032917300).

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

33021120012 is a wasteful number, since it uses less digits than its factorization.

33021120012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169909 (or 169907 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 33021120012 its reverse (21002112033), we get a palindrome (54023232045).

The spelling of 33021120012 in words is "thirty-three billion, twenty-one million, one hundred twenty thousand, twelve".