201321033212 has 24 divisors (see below), whose sum is σ = 379427928096. Its totient is φ = 92913674688.

The previous prime is 201321033191. The next prime is 201321033253. The reversal of 201321033212 is 212330123102.

It is a congruent number.

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, 1561598 + ... + 1685594.

It is an arithmetic number, because the mean of its divisors is an integer number (15809497004).

Almost surely, 2^201321033212 is an apocalyptic number.

It is an amenable number.

201321033212 is a deficient number, since it is larger than the sum of its proper divisors (178106894884).

201321033212 is a wasteful number, since it uses less digits than its factorization.

201321033212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155237 (or 155235 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 201321033212 its reverse (212330123102), we get a palindrome (413651156314).

The spelling of 201321033212 in words is "two hundred one billion, three hundred twenty-one million, thirty-three thousand, two hundred twelve".