33213031012 has 24 divisors (see below), whose sum is σ = 66538112256. Its totient is φ = 14210145408.

The previous prime is 33213031009. The next prime is 33213031031. The reversal of 33213031012 is 21013031233.

It is a super-2 number, since 2×33213031012² (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 (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 983548 + ... + 1016755.

It is an arithmetic number, because the mean of its divisors is an integer number (2772421344).

Almost surely, 2^33213031012 is an apocalyptic number.

It is an amenable number.

33213031012 is an abundant number, since it is smaller than the sum of its proper divisors (33325081244).

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

33213031012 is a wasteful number, since it uses less digits than its factorization.

33213031012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2000907 (or 2000905 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 33213031012 its reverse (21013031233), we get a palindrome (54226062245).

The spelling of 33213031012 in words is "thirty-three billion, two hundred thirteen million, thirty-one thousand, twelve".