10321212 has 24 divisors (see below), whose sum is σ = 26272512. Its totient is φ = 3127600.

The previous prime is 10321211. The next prime is 10321229. The reversal of 10321212 is 21212301.

It is a Harshad number since it is a multiple of its sum of digits (12).

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

10321212 is a modest number, since divided by 1212 gives 1032 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10321211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38964 + ... + 39227.

It is an arithmetic number, because the mean of its divisors is an integer number (1094688).

Almost surely, 2^10321212 is an apocalyptic number.

10321212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10321212 is an abundant number, since it is smaller than the sum of its proper divisors (15951300).

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

10321212 is a wasteful number, since it uses less digits than its factorization.

10321212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78209 (or 78207 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 10321212 is about 3212.6643148639. The cubic root of 10321212 is about 217.7259694043.

Adding to 10321212 its reverse (21212301), we get a palindrome (31533513).

The spelling of 10321212 in words is "ten million, three hundred twenty-one thousand, two hundred twelve".