13212442144 has 24 divisors (see below), whose sum is σ = 28376723088. Its totient is φ = 6005655360.

The previous prime is 13212442093. The next prime is 13212442153. The reversal of 13212442144 is 44124421231.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18767322 + ... + 18768025.

It is an arithmetic number, because the mean of its divisors is an integer number (1182363462).

Almost surely, 2^13212442144 is an apocalyptic number.

It is an amenable number.

13212442144 is an abundant number, since it is smaller than the sum of its proper divisors (15164280944).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13212442144 is a wasteful number, since it uses less digits than its factorization.

13212442144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37535368 (or 37535360 counting only the distinct ones).

The product of its digits is 6144, while the sum is 28.

Adding to 13212442144 its reverse (44124421231), we get a palindrome (57336863375).

The spelling of 13212442144 in words is "thirteen billion, two hundred twelve million, four hundred forty-two thousand, one hundred forty-four".