12533140000 has 120 divisors (see below), whose sum is σ = 30999661308. Its totient is φ = 4986240000.

The previous prime is 12533139937. The next prime is 12533140003. The reversal of 12533140000 is 4133521.

It can be written as a sum of positive squares in 10 ways, for example, as 579653776 + 11953486224 = 24076^2 + 109332^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12533140000.

It is not an unprimeable number, because it can be changed into a prime (12533140003) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3938410 + ... + 3941590.

Almost surely, 2^12533140000 is an apocalyptic number.

12533140000 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 12533140000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15499830654).

12533140000 is an abundant number, since it is smaller than the sum of its proper divisors (18466521308).

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

12533140000 is an equidigital number, since it uses as much as digits as its factorization.

12533140000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3408 (or 3385 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

Adding to 12533140000 its reverse (4133521), we get a palindrome (12537273521).

The spelling of 12533140000 in words is "twelve billion, five hundred thirty-three million, one hundred forty thousand".