10531212 has 12 divisors (see below), whose sum is σ = 24572856. Its totient is φ = 3510400.

The previous prime is 10531201. The next prime is 10531229. The reversal of 10531212 is 21213501.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×10531212² = 221812852377888, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10531191 and 10531200.

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, 438789 + ... + 438812.

It is an arithmetic number, because the mean of its divisors is an integer number (2047738).

Almost surely, 2^10531212 is an apocalyptic number.

10531212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10531212 is an abundant number, since it is smaller than the sum of its proper divisors (14041644).

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

10531212 is a wasteful number, since it uses less digits than its factorization.

10531212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 877608 (or 877606 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 10531212 is about 3245.1828916103. The cubic root of 10531212 is about 219.1927162497.

Adding to 10531212 its reverse (21213501), we get a palindrome (31744713).

The spelling of 10531212 in words is "ten million, five hundred thirty-one thousand, two hundred twelve".