13011123200 has 132 divisors (see below), whose sum is σ = 32355455160. Its totient is φ = 5187747840.

The previous prime is 13011123157. The next prime is 13011123233. The reversal of 13011123200 is 232111031.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10725794 + ... + 10727006.

Almost surely, 2^13011123200 is an apocalyptic number.

13011123200 is a gapful number since it is divisible by the number (10) 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 13011123200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16177727580).

13011123200 is an abundant number, since it is smaller than the sum of its proper divisors (19344331960).

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

13011123200 is a wasteful number, since it uses less digits than its factorization.

13011123200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1662 (or 1639 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 13011123200 its reverse (232111031), we get a palindrome (13243234231).

The spelling of 13011123200 in words is "thirteen billion, eleven million, one hundred twenty-three thousand, two hundred".