12512242332 has 144 divisors (see below), whose sum is σ = 32778188352. Its totient is φ = 4022553600.

The previous prime is 12512242331. The next prime is 12512242373. The reversal of 12512242332 is 23324221521.

It is a junction number, because it is equal to n+sod(n) for n = 12512242296 and 12512242305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12512242331) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 39470638 + ... + 39470954.

It is an arithmetic number, because the mean of its divisors is an integer number (227626308).

Almost surely, 2^12512242332 is an apocalyptic number.

12512242332 is a gapful number since it is divisible by the number (12) 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 12512242332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16389094176).

12512242332 is an abundant number, since it is smaller than the sum of its proper divisors (20265946020).

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

12512242332 is a wasteful number, since it uses less digits than its factorization.

12512242332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 668 (or 663 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

Adding to 12512242332 its reverse (23324221521), we get a palindrome (35836463853).

The spelling of 12512242332 in words is "twelve billion, five hundred twelve million, two hundred forty-two thousand, three hundred thirty-two".