201210312 has 32 divisors (see below), whose sum is σ = 503373600. Its totient is φ = 67023744.

The previous prime is 201210271. The next prime is 201210341. The reversal of 201210312 is 213012102.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65139 + ... + 68157.

It is an arithmetic number, because the mean of its divisors is an integer number (15730425).

Almost surely, 2^201210312 is an apocalyptic number.

It is an amenable number.

201210312 is an abundant number, since it is smaller than the sum of its proper divisors (302163288).

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

201210312 is a wasteful number, since it uses less digits than its factorization.

201210312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5805 (or 5801 counting only the distinct ones).

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

The square root of 201210312 is about 14184.8620719413. The cubic root of 201210312 is about 585.9808339393.

Adding to 201210312 its reverse (213012102), we get a palindrome (414222414).

The spelling of 201210312 in words is "two hundred one million, two hundred ten thousand, three hundred twelve".