33013312312 has 8 divisors (see below), whose sum is σ = 61899960600. Its totient is φ = 16506656152.

The previous prime is 33013312309. The next prime is 33013312331. The reversal of 33013312312 is 21321331033.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

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 as a sum of consecutive naturals, namely, 2063332012 + ... + 2063332027.

It is an arithmetic number, because the mean of its divisors is an integer number (7737495075).

Almost surely, 2^33013312312 is an apocalyptic number.

It is an amenable number.

33013312312 is a deficient number, since it is larger than the sum of its proper divisors (28886648288).

33013312312 is a wasteful number, since it uses less digits than its factorization.

33013312312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4126664045 (or 4126664041 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 33013312312 its reverse (21321331033), we get a palindrome (54334643345).

The spelling of 33013312312 in words is "thirty-three billion, thirteen million, three hundred twelve thousand, three hundred twelve".