13331144212 has 12 divisors (see below), whose sum is σ = 24133968180. Its totient is φ = 6435724736.

The previous prime is 13331144207. The next prime is 13331144213. The reversal of 13331144212 is 21244113331.

It can be written as a sum of positive squares in 2 ways, for example, as 6573317776 + 6757826436 = 81076^2 + 82206^2 .

It is a super-2 number, since 2×13331144212² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13331144213) 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, 57461713 + ... + 57461944.

It is an arithmetic number, because the mean of its divisors is an integer number (2011164015).

Almost surely, 2^13331144212 is an apocalyptic number.

It is an amenable number.

13331144212 is a deficient number, since it is larger than the sum of its proper divisors (10802823968).

13331144212 is a wasteful number, since it uses less digits than its factorization.

13331144212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114923690 (or 114923688 counting only the distinct ones).

The product of its digits is 1728, while the sum is 25.

Adding to 13331144212 its reverse (21244113331), we get a palindrome (34575257543).

The spelling of 13331144212 in words is "thirteen billion, three hundred thirty-one million, one hundred forty-four thousand, two hundred twelve".