201212333331 has 8 divisors (see below), whose sum is σ = 270241382544. Its totient is φ = 133162419840.

The previous prime is 201212333323. The next prime is 201212333341. The reversal of 201212333331 is 133333212102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 201212333331 - 2³ = 201212333323 is a prime.

It is a super-2 number, since 2×201212333331² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (201212333321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 244783450 + ... + 244784271.

It is an arithmetic number, because the mean of its divisors is an integer number (33780172818).

Almost surely, 2^201212333331 is an apocalyptic number.

201212333331 is a deficient number, since it is larger than the sum of its proper divisors (69029049213).

201212333331 is a wasteful number, since it uses less digits than its factorization.

201212333331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489567861.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 201212333331 its reverse (133333212102), we get a palindrome (334545545433).

The spelling of 201212333331 in words is "two hundred one billion, two hundred twelve million, three hundred thirty-three thousand, three hundred thirty-one".