10512002520 has 192 divisors, whose sum is σ = 35039178720. Its totient is φ = 2732285952.

The previous prime is 10512002503. The next prime is 10512002521. The reversal of 10512002520 is 2520021501.

It is a super-2 number, since 2×10512002520² (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 junction number, because it is equal to n+sod(n) for n = 10512002493 and 10512002502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10512002521) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2337394 + ... + 2341886.

Almost surely, 2^10512002520 is an apocalyptic number.

10512002520 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 10512002520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17519589360).

10512002520 is an abundant number, since it is smaller than the sum of its proper divisors (24527176200).

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

10512002520 is a wasteful number, since it uses less digits than its factorization.

10512002520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4674 (or 4667 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The spelling of 10512002520 in words is "ten billion, five hundred twelve million, two thousand, five hundred twenty".