33012444120421 has 8 divisors (see below), whose sum is σ = 33432171893120. Its totient is φ = 32592762566208.

The previous prime is 33012444120377. The next prime is 33012444120473. The reversal of 33012444120421 is 12402144421033.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 33012444120421 - 2¹¹ = 33012444118373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33012444120121) by changing a digit.

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, 10115871 + ... + 12975196.

It is an arithmetic number, because the mean of its divisors is an integer number (4179021486640).

Almost surely, 2^{33012444120421} is an apocalyptic number.

It is an amenable number.

33012444120421 is a deficient number, since it is larger than the sum of its proper divisors (419727772699).

33012444120421 is a wasteful number, since it uses less digits than its factorization.

33012444120421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23109243.

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 33012444120421 its reverse (12402144421033), we get a palindrome (45414588541454).

The spelling of 33012444120421 in words is "thirty-three trillion, twelve billion, four hundred forty-four million, one hundred twenty thousand, four hundred twenty-one".