33302220012 has 24 divisors (see below), whose sum is σ = 86339089200. Its totient is φ = 11100739968.

The previous prime is 33302219971. The next prime is 33302220071. The reversal of 33302220012 is 21002220333.

It is a happy number.

It is a super-2 number, since 2×33302220012² (a number of 22 digits) contains 22 as substring.

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

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, 154176837 + ... + 154177052.

It is an arithmetic number, because the mean of its divisors is an integer number (3597462050).

Almost surely, 2^33302220012 is an apocalyptic number.

It is an amenable number.

33302220012 is an abundant number, since it is smaller than the sum of its proper divisors (53036869188).

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

33302220012 is a wasteful number, since it uses less digits than its factorization.

33302220012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308353902 (or 308353894 counting only the distinct ones).

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

Adding to 33302220012 its reverse (21002220333), we get a palindrome (54304440345).

The spelling of 33302220012 in words is "thirty-three billion, three hundred two million, two hundred twenty thousand, twelve".