12510511000 has 128 divisors (see below), whose sum is σ = 31595054400. Its totient is φ = 4609228800.

The previous prime is 12510510907. The next prime is 12510511009. The reversal of 12510511000 is 11501521.

It is a super-2 number, since 2×12510511000² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12510511009) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8878296 + ... + 8879704.

Almost surely, 2^12510511000 is an apocalyptic number.

12510511000 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 12510511000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15797527200).

12510511000 is an abundant number, since it is smaller than the sum of its proper divisors (19084543400).

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

12510511000 is a wasteful number, since it uses less digits than its factorization.

12510511000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2126 (or 2112 counting only the distinct ones).

The product of its (nonzero) digits is 50, while the sum is 16.

The spelling of 12510511000 in words is "twelve billion, five hundred ten million, five hundred eleven thousand".