201312210 has 64 divisors (see below), whose sum is σ = 529027200. Its totient is φ = 48622080.

The previous prime is 201312191. The next prime is 201312211. The reversal of 201312210 is 12213102.

It is not an unprimeable number, because it can be changed into a prime (201312211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 102316 + ... + 104264.

It is an arithmetic number, because the mean of its divisors is an integer number (8266050).

Almost surely, 2^201312210 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201312210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (264513600).

201312210 is an abundant number, since it is smaller than the sum of its proper divisors (327714990).

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

201312210 is a wasteful number, since it uses less digits than its factorization.

201312210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2283.

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

The square root of 201312210 is about 14188.4534040888. The cubic root of 201312210 is about 586.0797357594.

Adding to 201312210 its reverse (12213102), we get a palindrome (213525312).

The spelling of 201312210 in words is "two hundred one million, three hundred twelve thousand, two hundred ten".