10543212 has 18 divisors (see below), whose sum is σ = 26650988. Its totient is φ = 3514392.

The previous prime is 10543199. The next prime is 10543229. The reversal of 10543212 is 21234501.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×10543212² = 222318638553888, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

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

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 146398 + ... + 146469.

Almost surely, 2^10543212 is an apocalyptic number.

10543212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10543212 is an abundant number, since it is smaller than the sum of its proper divisors (16107776).

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

10543212 is a wasteful number, since it uses less digits than its factorization.

10543212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292877 (or 292872 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 10543212 is about 3247.0312594738. The cubic root of 10543212 is about 219.2759391549.

Adding to 10543212 its reverse (21234501), we get a palindrome (31777713).

The spelling of 10543212 in words is "ten million, five hundred forty-three thousand, two hundred twelve".