13444121002 has 8 divisors (see below), whose sum is σ = 21717426276. Its totient is φ = 6204978912.

The previous prime is 13444120997. The next prime is 13444121027. The reversal of 13444121002 is 20012144431.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 10841182641 + 2602938361 = 104121^2 + 51019^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 258540763 + ... + 258540814.

Almost surely, 2^13444121002 is an apocalyptic number.

13444121002 is a deficient number, since it is larger than the sum of its proper divisors (8273305274).

13444121002 is a wasteful number, since it uses less digits than its factorization.

13444121002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517081592.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 13444121002 its reverse (20012144431), we get a palindrome (33456265433).

The spelling of 13444121002 in words is "thirteen billion, four hundred forty-four million, one hundred twenty-one thousand, two".