111332503212 has 96 divisors (see below), whose sum is σ = 301152176640. Its totient is φ = 31355059200.

The previous prime is 111332503211. The next prime is 111332503223. The reversal of 111332503212 is 212305233111.

It is a happy number.

111332503212 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (111332503211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1896964 + ... + 1954772.

It is an arithmetic number, because the mean of its divisors is an integer number (3137001840).

Almost surely, 2^111332503212 is an apocalyptic number.

111332503212 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 111332503212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (150576088320).

111332503212 is an abundant number, since it is smaller than the sum of its proper divisors (189819673428).

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

111332503212 is a wasteful number, since it uses less digits than its factorization.

111332503212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58151 (or 58149 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

Adding to 111332503212 its reverse (212305233111), we get a palindrome (323637736323).

The spelling of 111332503212 in words is "one hundred eleven billion, three hundred thirty-two million, five hundred three thousand, two hundred twelve".