33123121000012 has 12 divisors (see below), whose sum is σ = 57998756111296. Its totient is φ = 16552047825360.

The previous prime is 33123120999977. The next prime is 33123121000037. The reversal of 33123121000012 is 21000012132133.

It is a super-2 number, since 2×33123121000012² (a number of 28 digits) contains 22 as substring.

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, 2378160828 + ... + 2378174755.

Almost surely, 2^{33123121000012} is an apocalyptic number.

It is an amenable number.

33123121000012 is a deficient number, since it is larger than the sum of its proper divisors (24875635111284).

33123121000012 is a wasteful number, since it uses less digits than its factorization.

33123121000012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4756337328 (or 4756337326 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 33123121000012 its reverse (21000012132133), we get a palindrome (54123133132145).

The spelling of 33123121000012 in words is "thirty-three trillion, one hundred twenty-three billion, one hundred twenty-one million, twelve", and thus it is an aban number.