443400441212121 has 8 divisors (see below), whose sum is σ = 591200696800224. Its totient is φ = 295600239882720.

The previous prime is 443400441212041. The next prime is 443400441212143. The reversal of 443400441212121 is 121212144004344.

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

It is not a de Polignac number, because 443400441212121 - 2¹⁰ = 443400441211097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (443400441212621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12853365 + ... + 32434701.

It is an arithmetic number, because the mean of its divisors is an integer number (73900087100028).

Almost surely, 2^{443400441212121} is an apocalyptic number.

It is an amenable number.

443400441212121 is a deficient number, since it is larger than the sum of its proper divisors (147800255588103).

443400441212121 is a wasteful number, since it uses less digits than its factorization.

443400441212121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27129351.

The product of its (nonzero) digits is 24576, while the sum is 33.

Adding to 443400441212121 its reverse (121212144004344), we get a palindrome (564612585216465).

The spelling of 443400441212121 in words is "four hundred forty-three trillion, four hundred billion, four hundred forty-one million, two hundred twelve thousand, one hundred twenty-one".