12939062500 has 243 divisors, whose sum is σ = 35652813777. Its totient is φ = 4095000000.

The previous prime is 12939062489. The next prime is 12939062557. The reversal of 12939062500 is 526093921.

The square root of 12939062500 is 113750.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 13 ways, for example, as 382515364 + 12556547136 = 19558^2 + 112056^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12939062500.

It is an unprimeable number.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 995312494 + ... + 995312506.

Almost surely, 2^12939062500 is an apocalyptic number.

12939062500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12939062500 is the 113750-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12939062500

12939062500 is an abundant number, since it is smaller than the sum of its proper divisors (22713751277).

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

12939062500 is an frugal number, since it uses more digits than its factorization.

12939062500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84 (or 27 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 37.

It can be divided in two parts, 129390 and 62500, that added together give a triangular number (191890 = T₆₁₉).

The spelling of 12939062500 in words is "twelve billion, nine hundred thirty-nine million, sixty-two thousand, five hundred".