443121331011442 has 16 divisors (see below), whose sum is σ = 674609685901632. Its totient is φ = 218251504951920.

The previous prime is 443121331011439. The next prime is 443121331011481. The reversal of 443121331011442 is 244110133121344.

It is a junction number, because it is equal to n+sod(n) for n = 443121331011398 and 443121331011407.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4427409 + ... + 30097252.

It is an arithmetic number, because the mean of its divisors is an integer number (42163105368852).

Almost surely, 2^{443121331011442} is an apocalyptic number.

443121331011442 is a deficient number, since it is larger than the sum of its proper divisors (231488354890190).

443121331011442 is a wasteful number, since it uses less digits than its factorization.

443121331011442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34620513.

The product of its (nonzero) digits is 27648, while the sum is 34.

Adding to 443121331011442 its reverse (244110133121344), we get a palindrome (687231464132786).

The spelling of 443121331011442 in words is "four hundred forty-three trillion, one hundred twenty-one billion, three hundred thirty-one million, eleven thousand, four hundred forty-two".