12517011330 has 96 divisors (see below), whose sum is σ = 32312295360. Its totient is φ = 3094600320.

The previous prime is 12517011301. The next prime is 12517011347. The reversal of 12517011330 is 3311071521.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 12517011330.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1254160 + ... + 1264100.

It is an arithmetic number, because the mean of its divisors is an integer number (336586410).

Almost surely, 2^12517011330 is an apocalyptic number.

12517011330 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 12517011330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16156147680).

12517011330 is an abundant number, since it is smaller than the sum of its proper divisors (19795284030).

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

12517011330 is a wasteful number, since it uses less digits than its factorization.

12517011330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10064 (or 10017 counting only the distinct ones).

The product of its (nonzero) digits is 630, while the sum is 24.

Adding to 12517011330 its reverse (3311071521), we get a palindrome (15828082851).

The spelling of 12517011330 in words is "twelve billion, five hundred seventeen million, eleven thousand, three hundred thirty".