33020120331012 has 24 divisors (see below), whose sum is σ = 77125808210976. Its totient is φ = 10995440952448.

The previous prime is 33020120330999. The next prime is 33020120331067. The reversal of 33020120331012 is 21013302102033.

It is a self number, because there is not a number n which added to its sum of digits gives 33020120331012.

It is an unprimeable number.

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, 1408215858 + ... + 1408239305.

It is an arithmetic number, because the mean of its divisors is an integer number (3213575342124).

Almost surely, 2^{33020120331012} is an apocalyptic number.

It is an amenable number.

33020120331012 is an abundant number, since it is smaller than the sum of its proper divisors (44105687879964).

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

33020120331012 is a wasteful number, since it uses less digits than its factorization.

33020120331012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2816456147 (or 2816456145 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 33020120331012 its reverse (21013302102033), we get a palindrome (54033422433045).

The spelling of 33020120331012 in words is "thirty-three trillion, twenty billion, one hundred twenty million, three hundred thirty-one thousand, twelve".