12510720000 has 520 divisors, whose sum is σ = 46571404880. Its totient is φ = 3317760000.

The previous prime is 12510719927. The next prime is 12510720023. The reversal of 12510720000 is 2701521.

It is a super-2 number, since 2×12510720000² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 69119910 + ... + 69120090.

It is an arithmetic number, because the mean of its divisors is an integer number (89560394).

Almost surely, 2^12510720000 is an apocalyptic number.

12510720000 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 12510720000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23285702440).

12510720000 is an abundant number, since it is smaller than the sum of its proper divisors (34060684880).

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

12510720000 is an frugal number, since it uses more digits than its factorization.

12510720000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234 (or 191 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 18.

The spelling of 12510720000 in words is "twelve billion, five hundred ten million, seven hundred twenty thousand".