12539482050 has 24 divisors (see below), whose sum is σ = 31097915856. Its totient is φ = 3343861840.

The previous prime is 12539482027. The next prime is 12539482093. The reversal of 12539482050 is 5028493521.

It is a super-2 number, since 2×12539482050² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41798124 + ... + 41798423.

It is an arithmetic number, because the mean of its divisors is an integer number (1295746494).

Almost surely, 2^12539482050 is an apocalyptic number.

12539482050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12539482050 is an abundant number, since it is smaller than the sum of its proper divisors (18558433806).

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

12539482050 is a wasteful number, since it uses less digits than its factorization.

12539482050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83596562 (or 83596557 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 39.

The spelling of 12539482050 in words is "twelve billion, five hundred thirty-nine million, four hundred eighty-two thousand, fifty".