33123122012 has 12 divisors (see below), whose sum is σ = 57968331960. Its totient is φ = 16560741456.

The previous prime is 33123121957. The next prime is 33123122041. The reversal of 33123122012 is 21022132133.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108962 + ... + 279497.

It is an arithmetic number, because the mean of its divisors is an integer number (4830694330).

Almost surely, 2^33123122012 is an apocalyptic number.

It is an amenable number.

33123122012 is a deficient number, since it is larger than the sum of its proper divisors (24845209948).

33123122012 is a wasteful number, since it uses less digits than its factorization.

33123122012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409780 (or 409778 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 33123122012 its reverse (21022132133), we get a palindrome (54145254145).

The spelling of 33123122012 in words is "thirty-three billion, one hundred twenty-three million, one hundred twenty-two thousand, twelve".