444012231121 has 4 divisors (see below), whose sum is σ = 444107701744. Its totient is φ = 443916760500.

The previous prime is 444012231119. The next prime is 444012231233. The reversal of 444012231121 is 121132210444.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 444012231121 - 2¹ = 444012231119 is a prime.

It is a super-2 number, since 2×444012231121² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (444012231821) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47728335 + ... + 47737636.

It is an arithmetic number, because the mean of its divisors is an integer number (111026925436).

Almost surely, 2^444012231121 is an apocalyptic number.

It is an amenable number.

444012231121 is a deficient number, since it is larger than the sum of its proper divisors (95470623).

444012231121 is an equidigital number, since it uses as much as digits as its factorization.

444012231121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95470622.

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 444012231121 its reverse (121132210444), we get a palindrome (565144441565).

The spelling of 444012231121 in words is "four hundred forty-four billion, twelve million, two hundred thirty-one thousand, one hundred twenty-one".