2044012232021 has 16 divisors (see below), whose sum is σ = 2188666444800. Its totient is φ = 1903083692400.

The previous prime is 2044012231991. The next prime is 2044012232047. The reversal of 2044012232021 is 1202322104402.

It is not a de Polignac number, because 2044012232021 - 2¹⁸ = 2044011969877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2044012232051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3819266 + ... + 4321436.

It is an arithmetic number, because the mean of its divisors is an integer number (136791652800).

Almost surely, 2^{2044012232021} is an apocalyptic number.

It is an amenable number.

2044012232021 is a deficient number, since it is larger than the sum of its proper divisors (144654212779).

2044012232021 is a wasteful number, since it uses less digits than its factorization.

2044012232021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505880.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 2044012232021 its reverse (1202322104402), we get a palindrome (3246334336423).

The spelling of 2044012232021 in words is "two trillion, forty-four billion, twelve million, two hundred thirty-two thousand, twenty-one".