10512281000 has 64 divisors (see below), whose sum is σ = 26490980880. Its totient is φ = 3881452800.

The previous prime is 10512280997. The next prime is 10512281027. The reversal of 10512281000 is 18221501.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 62125924 + 10450155076 = 7882^2 + 102226^2 .

It is a super-2 number, since 2×10512281000² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 391319 + ... + 417318.

Almost surely, 2^10512281000 is an apocalyptic number.

10512281000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10512281000 is an abundant number, since it is smaller than the sum of its proper divisors (15978699880).

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

10512281000 is a wasteful number, since it uses less digits than its factorization.

10512281000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 808671 (or 808657 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 20.

The spelling of 10512281000 in words is "ten billion, five hundred twelve million, two hundred eighty-one thousand".