201213316 has 24 divisors (see below), whose sum is σ = 357477120. Its totient is φ = 99083712.

The previous prime is 201213307. The next prime is 201213323. The reversal of 201213316 is 613312102.

It is a junction number, because it is equal to n+sod(n) for n = 201213293 and 201213302.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 234360 + ... + 235216.

It is an arithmetic number, because the mean of its divisors is an integer number (14894880).

Almost surely, 2^201213316 is an apocalyptic number.

It is an amenable number.

201213316 is a deficient number, since it is larger than the sum of its proper divisors (156263804).

201213316 is a wasteful number, since it uses less digits than its factorization.

201213316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1683 (or 1681 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 201213316 is about 14184.9679590756. The cubic root of 201213316 is about 585.9837500881.

Adding to 201213316 its reverse (613312102), we get a palindrome (814525418).

The spelling of 201213316 in words is "two hundred one million, two hundred thirteen thousand, three hundred sixteen".