33020112012 has 24 divisors (see below), whose sum is σ = 80396795136. Its totient is φ = 10528151568.

The previous prime is 33020112011. The next prime is 33020112023. The reversal of 33020112012 is 21021102033.

It is a junction number, because it is equal to n+sod(n) for n = 33020111982 and 33020112000.

It is not an unprimeable number, because it can be changed into a prime (33020112011) 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 7 ways as a sum of consecutive naturals, for example, 59818768 + ... + 59819319.

It is an arithmetic number, because the mean of its divisors is an integer number (3349866464).

Almost surely, 2^33020112012 is an apocalyptic number.

It is an amenable number.

33020112012 is an abundant number, since it is smaller than the sum of its proper divisors (47376683124).

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

33020112012 is a wasteful number, since it uses less digits than its factorization.

33020112012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119638117 (or 119638115 counting only the distinct ones).

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

Adding to 33020112012 its reverse (21021102033), we get a palindrome (54041214045).

The spelling of 33020112012 in words is "thirty-three billion, twenty million, one hundred twelve thousand, twelve".