13212241442 has 16 divisors (see below), whose sum is σ = 20207667192. Its totient is φ = 6477045120.

The previous prime is 13212241423. The next prime is 13212241453. The reversal of 13212241442 is 24414221231.

It can be written as a sum of positive squares in 4 ways, for example, as 7184427121 + 6027814321 = 84761^2 + 77639^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134813 + ... + 211184.

Almost surely, 2^13212241442 is an apocalyptic number.

13212241442 is a deficient number, since it is larger than the sum of its proper divisors (6995425750).

13212241442 is a wasteful number, since it uses less digits than its factorization.

13212241442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346373.

The product of its digits is 3072, while the sum is 26.

Adding to 13212241442 its reverse (24414221231), we get a palindrome (37626462673).

The spelling of 13212241442 in words is "thirteen billion, two hundred twelve million, two hundred forty-one thousand, four hundred forty-two".