13126312050 has 48 divisors (see below), whose sum is σ = 33675791040. Its totient is φ = 3379647040.

The previous prime is 13126312049. The next prime is 13126312063. The reversal of 13126312050 is 5021362131.

It is a self number, because there is not a number n which added to its sum of digits gives 13126312050.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1504422 + ... + 1513121.

It is an arithmetic number, because the mean of its divisors is an integer number (701578980).

Almost surely, 2^13126312050 is an apocalyptic number.

13126312050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13126312050 is an abundant number, since it is smaller than the sum of its proper divisors (20549478990).

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

13126312050 is a wasteful number, since it uses less digits than its factorization.

13126312050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3017587 (or 3017582 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

Adding to 13126312050 its reverse (5021362131), we get a palindrome (18147674181).

The spelling of 13126312050 in words is "thirteen billion, one hundred twenty-six million, three hundred twelve thousand, fifty".