201323020212 has 96 divisors (see below), whose sum is σ = 525603980160. Its totient is φ = 66639352320.

The previous prime is 201323020207. The next prime is 201323020259. The reversal of 201323020212 is 212020323102.

201323020212 is a `hidden beast` number, since 20 + 132 + 302 + 0 + 212 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8944012 + ... + 8966492.

It is an arithmetic number, because the mean of its divisors is an integer number (5475041460).

Almost surely, 2^201323020212 is an apocalyptic number.

It is an amenable number.

201323020212 is an abundant number, since it is smaller than the sum of its proper divisors (324280959948).

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

201323020212 is a wasteful number, since it uses less digits than its factorization.

201323020212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23070 (or 23062 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 201323020212 its reverse (212020323102), we get a palindrome (413343343314).

The spelling of 201323020212 in words is "two hundred one billion, three hundred twenty-three million, twenty thousand, two hundred twelve".