12111202332 has 144 divisors (see below), whose sum is σ = 31925013120. Its totient is φ = 3868839936.

The previous prime is 12111202331. The next prime is 12111202387. The reversal of 12111202332 is 23320211121.

12111202332 is a `hidden beast` number, since 1 + 211 + 120 + 2 + 332 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12111202331) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17889178 + ... + 17889854.

It is an arithmetic number, because the mean of its divisors is an integer number (221701480).

Almost surely, 2^12111202332 is an apocalyptic number.

12111202332 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 12111202332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15962506560).

12111202332 is an abundant number, since it is smaller than the sum of its proper divisors (19813810788).

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

12111202332 is a wasteful number, since it uses less digits than its factorization.

12111202332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 940 (or 935 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 12111202332 its reverse (23320211121), we get a palindrome (35431413453).

The spelling of 12111202332 in words is "twelve billion, one hundred eleven million, two hundred two thousand, three hundred thirty-two".