33012044424021 has 32 divisors (see below), whose sum is σ = 49070209426560. Its totient is φ = 19601083079424.

The previous prime is 33012044424019. The next prime is 33012044424049. The reversal of 33012044424021 is 12042444021033.

It is not a de Polignac number, because 33012044424021 - 2¹ = 33012044424019 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 33012044424021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33012044424421) 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 31 ways as a sum of consecutive naturals, for example, 8400831 + ... + 11687516.

It is an arithmetic number, because the mean of its divisors is an integer number (1533444044580).

Almost surely, 2^{33012044424021} is an apocalyptic number.

It is an amenable number.

33012044424021 is a deficient number, since it is larger than the sum of its proper divisors (16058165002539).

33012044424021 is a wasteful number, since it uses less digits than its factorization.

33012044424021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20089845.

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 33012044424021 its reverse (12042444021033), we get a palindrome (45054488445054).

The spelling of 33012044424021 in words is "thirty-three trillion, twelve billion, forty-four million, four hundred twenty-four thousand, twenty-one".