12010111232 has 72 divisors (see below), whose sum is σ = 27566822976. Its totient is φ = 5115488256.

The previous prime is 12010111229. The next prime is 12010111247. The reversal of 12010111232 is 23211101021.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 271538 + ... + 312654.

Almost surely, 2^12010111232 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 12010111232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13783411488).

12010111232 is an abundant number, since it is smaller than the sum of its proper divisors (15556711744).

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

12010111232 is an equidigital number, since it uses as much as digits as its factorization.

12010111232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41303 (or 41289 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 12010111232 its reverse (23211101021), we get a palindrome (35221212253).

The spelling of 12010111232 in words is "twelve billion, ten million, one hundred eleven thousand, two hundred thirty-two".