444012212021 has 32 divisors (see below), whose sum is σ = 539253780480. Its totient is φ = 356888722176.

The previous prime is 444012211967. The next prime is 444012212023. The reversal of 444012212021 is 120212210444.

It is a de Polignac number, because none of the positive numbers 2^k-444012212021 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 (444012212023) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 58395806 + ... + 58403408.

It is an arithmetic number, because the mean of its divisors is an integer number (16851680640).

Almost surely, 2^444012212021 is an apocalyptic number.

It is an amenable number.

444012212021 is a deficient number, since it is larger than the sum of its proper divisors (95241568459).

444012212021 is a wasteful number, since it uses less digits than its factorization.

444012212021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9353.

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 444012212021 its reverse (120212210444), we get a palindrome (564224422465).

The spelling of 444012212021 in words is "four hundred forty-four billion, twelve million, two hundred twelve thousand, twenty-one".