10531012 has 12 divisors (see below), whose sum is σ = 18452476. Its totient is φ = 5258880.

The previous prime is 10531009. The next prime is 10531013. The reversal of 10531012 is 21013501.

It can be written as a sum of positive squares in 2 ways, for example, as 8856576 + 1674436 = 2976^2 + 1294^2 .

It is a super-2 number, since 2×10531012² = 221804427488288, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10530983 and 10531001.

It is not an unprimeable number, because it can be changed into a prime (10531013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4288 + ... + 6280.

Almost surely, 2^10531012 is an apocalyptic number.

It is an amenable number.

10531012 is a deficient number, since it is larger than the sum of its proper divisors (7921464).

10531012 is a wasteful number, since it uses less digits than its factorization.

10531012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3318 (or 3316 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 13.

The square root of 10531012 is about 3245.1520765597. The cubic root of 10531012 is about 219.1913286658.

Adding to 10531012 its reverse (21013501), we get a palindrome (31544513).

The spelling of 10531012 in words is "ten million, five hundred thirty-one thousand, twelve".