33130203221012 has 24 divisors (see below), whose sum is σ = 58883490729000. Its totient is φ = 16308316430336.

The previous prime is 33130203220957. The next prime is 33130203221021. The reversal of 33130203221012 is 21012230203133.

It can be written as a sum of positive squares in 4 ways, for example, as 4312159577476 + 28818043643536 = 2076574^2 + 5368244^2 .

It is a super-2 number, since 2×33130203221012² (a number of 28 digits) contains 22 as substring.

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 in 7 ways as a sum of consecutive naturals, for example, 245895437 + ... + 246030132.

It is an arithmetic number, because the mean of its divisors is an integer number (2453478780375).

Almost surely, 2^{33130203221012} is an apocalyptic number.

It is an amenable number.

33130203221012 is a deficient number, since it is larger than the sum of its proper divisors (25753287507988).

33130203221012 is a wasteful number, since it uses less digits than its factorization.

33130203221012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491925835 (or 491925833 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 33130203221012 its reverse (21012230203133), we get a palindrome (54142433424145).

The spelling of 33130203221012 in words is "thirty-three trillion, one hundred thirty billion, two hundred three million, two hundred twenty-one thousand, twelve".