10390212 has 36 divisors (see below), whose sum is σ = 30016896. Its totient is φ = 2968560.

The previous prime is 10390201. The next prime is 10390231. The reversal of 10390212 is 21209301.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20364 + ... + 20867.

Almost surely, 2^10390212 is an apocalyptic number.

10390212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10390212 is an abundant number, since it is smaller than the sum of its proper divisors (19626684).

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

10390212 is a wasteful number, since it uses less digits than its factorization.

10390212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41248 (or 41243 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 10390212 is about 3223.3851771081. The cubic root of 10390212 is about 218.2100772109.

Adding to 10390212 its reverse (21209301), we get a palindrome (31599513).

The spelling of 10390212 in words is "ten million, three hundred ninety thousand, two hundred twelve".