201204312 has 16 divisors (see below), whose sum is σ = 503010840. Its totient is φ = 67068096.

The previous prime is 201204277. The next prime is 201204331. The reversal of 201204312 is 213402102.

It is a junction number, because it is equal to n+sod(n) for n = 201204291 and 201204300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4191733 + ... + 4191780.

Almost surely, 2^201204312 is an apocalyptic number.

It is an amenable number.

201204312 is an abundant number, since it is smaller than the sum of its proper divisors (301806528).

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

201204312 is a wasteful number, since it uses less digits than its factorization.

201204312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8383522 (or 8383518 counting only the distinct ones).

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

The square root of 201204312 is about 14184.6505772966. The cubic root of 201204312 is about 585.9750093207.

Adding to 201204312 its reverse (213402102), we get a palindrome (414606414).

The spelling of 201204312 in words is "two hundred one million, two hundred four thousand, three hundred twelve".