12111233000 has 64 divisors (see below), whose sum is σ = 28364141520. Its totient is φ = 4840416000.

The previous prime is 12111232997. The next prime is 12111233003. The reversal of 12111233000 is 33211121.

It is an interprime number because it is at equal distance from previous prime (12111232997) and next prime (12111233003).

It can be written as a sum of positive squares in 8 ways, for example, as 3705643876 + 8405589124 = 60874^2 + 91682^2 .

It is not an unprimeable number, because it can be changed into a prime (12111233003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1368590 + ... + 1377410.

Almost surely, 2^12111233000 is an apocalyptic number.

12111233000 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 12111233000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14182070760).

12111233000 is an abundant number, since it is smaller than the sum of its proper divisors (16252908520).

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

12111233000 is a wasteful number, since it uses less digits than its factorization.

12111233000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10215 (or 10201 counting only the distinct ones).

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

Adding to 12111233000 its reverse (33211121), we get a palindrome (12144444121).

The spelling of 12111233000 in words is "twelve billion, one hundred eleven million, two hundred thirty-three thousand".