12503125000 has 72 divisors (see below), whose sum is σ = 29311508430. Its totient is φ = 5000000000.

The previous prime is 12503124943. The next prime is 12503125057. The reversal of 12503125000 is 52130521.

It is an interprime number because it is at equal distance from previous prime (12503124943) and next prime (12503125057).

It can be written as a sum of positive squares in 9 ways, for example, as 9970821316 + 2532303684 = 99854^2 + 50322^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 3123000 + ... + 3127000.

Almost surely, 2^12503125000 is an apocalyptic number.

12503125000 is a gapful number since it is divisible by the number (10) 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 12503125000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14655754215).

12503125000 is an abundant number, since it is smaller than the sum of its proper divisors (16808383430).

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

12503125000 is an frugal number, since it uses more digits than its factorization.

12503125000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4047 (or 4008 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 19.

Adding to 12503125000 its reverse (52130521), we get a palindrome (12555255521).

It can be divided in two parts, 1250 and 3125000, that multiplied together give a 4-th power (3906250000 = 250⁴).

The spelling of 12503125000 in words is "twelve billion, five hundred three million, one hundred twenty-five thousand".