12121413344 has 24 divisors (see below), whose sum is σ = 23968256760. Its totient is φ = 6034237056.

The previous prime is 12121413281. The next prime is 12121413433. The reversal of 12121413344 is 44331412121.

12121413344 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12121413344² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 819734 + ... + 834389.

It is an arithmetic number, because the mean of its divisors is an integer number (998677365).

Almost surely, 2^12121413344 is an apocalyptic number.

It is an amenable number.

12121413344 is a deficient number, since it is larger than the sum of its proper divisors (11846843416).

12121413344 is a wasteful number, since it uses less digits than its factorization.

12121413344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1654362 (or 1654354 counting only the distinct ones).

The product of its digits is 2304, while the sum is 26.

Adding to 12121413344 its reverse (44331412121), we get a palindrome (56452825465).

The spelling of 12121413344 in words is "twelve billion, one hundred twenty-one million, four hundred thirteen thousand, three hundred forty-four".