10561012 has 48 divisors (see below), whose sum is σ = 24409728. Its totient is φ = 3870720.

The previous prime is 10560997. The next prime is 10561013. The reversal of 10561012 is 21016501.

It is a happy number.

It is a super-2 number, since 2×10561012² = 223069948928288, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10561013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4228 + ... + 6244.

It is an arithmetic number, because the mean of its divisors is an integer number (508536).

Almost surely, 2^10561012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10561012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12204864).

10561012 is an abundant number, since it is smaller than the sum of its proper divisors (13848716).

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

10561012 is a wasteful number, since it uses less digits than its factorization.

10561012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2056 (or 2054 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 10561012 is about 3249.7710688601. The cubic root of 10561012 is about 219.3992702374.

Adding to 10561012 its reverse (21016501), we get a palindrome (31577513).

The spelling of 10561012 in words is "ten million, five hundred sixty-one thousand, twelve".