12053313450 has 72 divisors (see below), whose sum is σ = 32414237856. Its totient is φ = 3211140000.

The previous prime is 12053313449. The next prime is 12053313451. The reversal of 12053313450 is 5431335021.

12053313450 is a `hidden beast` number, since 1 + 205 + 3 + 3 + 1 + 3 + 450 = 666.

It is an interprime number because it is at equal distance from previous prime (12053313449) and next prime (12053313451).

It is not an unprimeable number, because it can be changed into a prime (12053313451) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 478675 + ... + 503225.

It is an arithmetic number, because the mean of its divisors is an integer number (450197748).

Almost surely, 2^12053313450 is an apocalyptic number.

12053313450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12053313450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16207118928).

12053313450 is an abundant number, since it is smaller than the sum of its proper divisors (20360924406).

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

12053313450 is a wasteful number, since it uses less digits than its factorization.

12053313450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25660 (or 25652 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

Adding to 12053313450 its reverse (5431335021), we get a palindrome (17484648471).

The spelling of 12053313450 in words is "twelve billion, fifty-three million, three hundred thirteen thousand, four hundred fifty".