1301322421444 has 24 divisors (see below), whose sum is σ = 2413333204128. Its totient is φ = 611864023680.

The previous prime is 1301322421409. The next prime is 1301322421447. The reversal of 1301322421444 is 4441242231031.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1301322421447) 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, 8091634 + ... + 8250889.

It is an arithmetic number, because the mean of its divisors is an integer number (100555550172).

Almost surely, 2^{1301322421444} is an apocalyptic number.

It is an amenable number.

1301322421444 is a deficient number, since it is larger than the sum of its proper divisors (1112010782684).

1301322421444 is a wasteful number, since it uses less digits than its factorization.

1301322421444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16343715 (or 16343713 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 1301322421444 its reverse (4441242231031), we get a palindrome (5742564652475).

The spelling of 1301322421444 in words is "one trillion, three hundred one billion, three hundred twenty-two million, four hundred twenty-one thousand, four hundred forty-four".