13122011132112 has 320 divisors, whose sum is σ = 37558746086400. Its totient is φ = 3933050204160.

The previous prime is 13122011132089. The next prime is 13122011132117. The reversal of 13122011132112 is 21123111022131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13122011132117) 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, 198517564 + ... + 198583652.

It is an arithmetic number, because the mean of its divisors is an integer number (117371081520).

Almost surely, 2^{13122011132112} is an apocalyptic number.

13122011132112 is a gapful number since it is divisible by the number (12) 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 13122011132112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18779373043200).

13122011132112 is an abundant number, since it is smaller than the sum of its proper divisors (24436734954288).

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

13122011132112 is a wasteful number, since it uses less digits than its factorization.

13122011132112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66306 (or 66300 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 21.

Adding to 13122011132112 its reverse (21123111022131), we get a palindrome (34245122154243).

The spelling of 13122011132112 in words is "thirteen trillion, one hundred twenty-two billion, eleven million, one hundred thirty-two thousand, one hundred twelve".