13211242044 has 192 divisors, whose sum is σ = 43189493760. Its totient is φ = 3029748480.

The previous prime is 13211242043. The next prime is 13211242133. The reversal of 13211242044 is 44024211231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13211242043) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 252367 + ... + 300185.

It is an arithmetic number, because the mean of its divisors is an integer number (224945280).

Almost surely, 2^13211242044 is an apocalyptic number.

13211242044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13211242044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21594746880).

13211242044 is an abundant number, since it is smaller than the sum of its proper divisors (29978251716).

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

13211242044 is a wasteful number, since it uses less digits than its factorization.

13211242044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47880 (or 47878 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 13211242044 its reverse (44024211231), we get a palindrome (57235453275).

It can be divided in two parts, 13211 and 242044, that added together give a triangular number (255255 = T₇₁₄).

The spelling of 13211242044 in words is "thirteen billion, two hundred eleven million, two hundred forty-two thousand, forty-four".