4441221212542 has 8 divisors (see below), whose sum is σ = 6667040448000. Its totient is φ = 2218874396544.

The previous prime is 4441221212521. The next prime is 4441221212543. The reversal of 4441221212542 is 2452121221444.

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

It is a junction number, because it is equal to n+sod(n) for n = 4441221212498 and 4441221212507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4441221212543) 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, 868101667 + ... + 868106782.

It is an arithmetic number, because the mean of its divisors is an integer number (833380056000).

Almost surely, 2^{4441221212542} is an apocalyptic number.

4441221212542 is a deficient number, since it is larger than the sum of its proper divisors (2225819235458).

4441221212542 is a wasteful number, since it uses less digits than its factorization.

4441221212542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1736209730.

The product of its digits is 40960, while the sum is 34.

Adding to 4441221212542 its reverse (2452121221444), we get a palindrome (6893342433986).

The spelling of 4441221212542 in words is "four trillion, four hundred forty-one billion, two hundred twenty-one million, two hundred twelve thousand, five hundred forty-two".