33001122012 has 24 divisors (see below), whose sum is σ = 77009377536. Its totient is φ = 10999408368.

The previous prime is 33001121981. The next prime is 33001122031. The reversal of 33001122012 is 21022110033.

It is a junction number, because it is equal to n+sod(n) for n = 33001121982 and 33001122000.

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, 29133 + ... + 258555.

It is an arithmetic number, because the mean of its divisors is an integer number (3208724064).

Almost surely, 2^33001122012 is an apocalyptic number.

It is an amenable number.

33001122012 is an abundant number, since it is smaller than the sum of its proper divisors (44008255524).

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

33001122012 is a wasteful number, since it uses less digits than its factorization.

33001122012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241417 (or 241415 counting only the distinct ones).

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

Adding to 33001122012 its reverse (21022110033), we get a palindrome (54023232045).

The spelling of 33001122012 in words is "thirty-three billion, one million, one hundred twenty-two thousand, twelve".