210203412 has 12 divisors (see below), whose sum is σ = 490474656. Its totient is φ = 70067800.

The previous prime is 210203359. The next prime is 210203429. The reversal of 210203412 is 214302012.

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

It is a junction number, because it is equal to n+sod(n) for n = 210203391 and 210203400.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8758464 + ... + 8758487.

It is an arithmetic number, because the mean of its divisors is an integer number (40872888).

Almost surely, 2^210203412 is an apocalyptic number.

It is an amenable number.

210203412 is an abundant number, since it is smaller than the sum of its proper divisors (280271244).

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

210203412 is a wasteful number, since it uses less digits than its factorization.

210203412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17516958 (or 17516956 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 210203412 is about 14498.3934282389. The cubic root of 210203412 is about 594.5840484325.

Adding to 210203412 its reverse (214302012), we get a palindrome (424505424).

The spelling of 210203412 in words is "two hundred ten million, two hundred three thousand, four hundred twelve".