33004042121000 has 32 divisors (see below), whose sum is σ = 77229458565480. Its totient is φ = 13201616848000.

The previous prime is 33004042120979. The next prime is 33004042121041. The reversal of 33004042121000 is 12124040033.

It can be written as a sum of positive squares in 4 ways, for example, as 5682283132516 + 27321758988484 = 2383754^2 + 5227022^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16502020061 + ... + 16502022060.

Almost surely, 2^{33004042121000} is an apocalyptic number.

It is an amenable number.

33004042121000 is an abundant number, since it is smaller than the sum of its proper divisors (44225416444480).

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

33004042121000 is a wasteful number, since it uses less digits than its factorization.

33004042121000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33004042142 (or 33004042128 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 33004042121000 its reverse (12124040033), we get a palindrome (33016166161033).

The spelling of 33004042121000 in words is "thirty-three trillion, four billion, forty-two million, one hundred twenty-one thousand".