12110121232 has 80 divisors (see below), whose sum is σ = 26582298624. Its totient is φ = 5294736000.

The previous prime is 12110121227. The next prime is 12110121259. The reversal of 12110121232 is 23212101121.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 904507 + ... + 917797.

Almost surely, 2^12110121232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12110121232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13291149312).

12110121232 is an abundant number, since it is smaller than the sum of its proper divisors (14472177392).

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

12110121232 is a wasteful number, since it uses less digits than its factorization.

12110121232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13508 (or 13502 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 12110121232 its reverse (23212101121), we get a palindrome (35322222353).

The spelling of 12110121232 in words is "twelve billion, one hundred ten million, one hundred twenty-one thousand, two hundred thirty-two".