33030012123021 has 16 divisors (see below), whose sum is σ = 45114690475008. Its totient is φ = 21482683488000.

The previous prime is 33030012122969. The next prime is 33030012123079. The reversal of 33030012123021 is 12032121003033.

It is not a de Polignac number, because 33030012123021 - 2³⁷ = 32892573169549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33030012123821) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 9294996 + ... + 12347346.

It is an arithmetic number, because the mean of its divisors is an integer number (2819668154688).

Almost surely, 2^{33030012123021} is an apocalyptic number.

It is an amenable number.

33030012123021 is a deficient number, since it is larger than the sum of its proper divisors (12084678351987).

33030012123021 is a wasteful number, since it uses less digits than its factorization.

33030012123021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3140372.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 33030012123021 its reverse (12032121003033), we get a palindrome (45062133126054).

The spelling of 33030012123021 in words is "thirty-three trillion, thirty billion, twelve million, one hundred twenty-three thousand, twenty-one".