13212234344 has 16 divisors (see below), whose sum is σ = 24790668000. Its totient is φ = 6601389552.

The previous prime is 13212234341. The next prime is 13212234349. The reversal of 13212234344 is 44343221231.

It is a super-2 number, since 2×13212234344² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13212234341) 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, 579062 + ... + 601445.

It is an arithmetic number, because the mean of its divisors is an integer number (1549416750).

Almost surely, 2^13212234344 is an apocalyptic number.

It is an amenable number.

13212234344 is a deficient number, since it is larger than the sum of its proper divisors (11578433656).

13212234344 is a wasteful number, since it uses less digits than its factorization.

13212234344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1181912 (or 1181908 counting only the distinct ones).

The product of its digits is 13824, while the sum is 29.

Adding to 13212234344 its reverse (44343221231), we get a palindrome (57555455575).

The spelling of 13212234344 in words is "thirteen billion, two hundred twelve million, two hundred thirty-four thousand, three hundred forty-four".