33231200012 has 24 divisors (see below), whose sum is σ = 58661820000. Its totient is φ = 16471126016.

The previous prime is 33231199951. The next prime is 33231200047. The reversal of 33231200012 is 21000213233.

It is a super-2 number, since 2×33231200012² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 244364 + ... + 355212.

It is an arithmetic number, because the mean of its divisors is an integer number (2444242500).

Almost surely, 2^33231200012 is an apocalyptic number.

It is an amenable number.

33231200012 is a deficient number, since it is larger than the sum of its proper divisors (25430619988).

33231200012 is a wasteful number, since it uses less digits than its factorization.

33231200012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111505 (or 111503 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 33231200012 its reverse (21000213233), we get a palindrome (54231413245).

The spelling of 33231200012 in words is "thirty-three billion, two hundred thirty-one million, two hundred thousand, twelve".