10212730 has 32 divisors (see below), whose sum is σ = 20191680. Its totient is φ = 3688320.

The previous prime is 10212721. The next prime is 10212737. The reversal of 10212730 is 3721201.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (10212737) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24766 + ... + 25174.

It is an arithmetic number, because the mean of its divisors is an integer number (630990).

Almost surely, 2^10212730 is an apocalyptic number.

10212730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10212730 is a deficient number, since it is larger than the sum of its proper divisors (9978950).

10212730 is a wasteful number, since it uses less digits than its factorization.

10212730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 654.

The product of its (nonzero) digits is 84, while the sum is 16.

The square root of 10212730 is about 3195.7362219057. The cubic root of 10212730 is about 216.9604718929.

Adding to 10212730 its reverse (3721201), we get a palindrome (13933931).

The spelling of 10212730 in words is "ten million, two hundred twelve thousand, seven hundred thirty".