10505212 has 12 divisors (see below), whose sum is σ = 18566856. Its totient is φ = 5200400.

The previous prime is 10505207. The next prime is 10505263. The reversal of 10505212 is 21250501.

10505212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×10505212² = 220718958329888, 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 an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12598 + ... + 13405.

It is an arithmetic number, because the mean of its divisors is an integer number (1547238).

Almost surely, 2^10505212 is an apocalyptic number.

It is an amenable number.

10505212 is a deficient number, since it is larger than the sum of its proper divisors (8061644).

10505212 is a wasteful number, since it uses less digits than its factorization.

10505212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26108 (or 26106 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 16.

The square root of 10505212 is about 3241.1744784877. The cubic root of 10505212 is about 219.0121828325.

Adding to 10505212 its reverse (21250501), we get a palindrome (31755713).

The spelling of 10505212 in words is "ten million, five hundred five thousand, two hundred twelve".