12031522244028 has 192 divisors, whose sum is σ = 35717499417600. Its totient is φ = 3430974551040.

The previous prime is 12031522244023. The next prime is 12031522244051. The reversal of 12031522244028 is 82044222513021.

12031522244028 is a `hidden beast` number, since 1 + 20 + 3 + 1 + 5 + 2 + 224 + 402 + 8 = 666.

12031522244028 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 12031522243983 and 12031522244001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12031522244023) 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, 959521783 + ... + 959534321.

It is an arithmetic number, because the mean of its divisors is an integer number (186028642800).

Almost surely, 2^{12031522244028} is an apocalyptic number.

12031522244028 is a gapful number since it is divisible by the number (18) 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 12031522244028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17858749708800).

12031522244028 is an abundant number, since it is smaller than the sum of its proper divisors (23685977173572).

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

12031522244028 is a wasteful number, since it uses less digits than its factorization.

12031522244028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14897 (or 14889 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 36.

Adding to 12031522244028 its reverse (82044222513021), we get a palindrome (94075744757049).

The spelling of 12031522244028 in words is "twelve trillion, thirty-one billion, five hundred twenty-two million, two hundred forty-four thousand, twenty-eight".