201023122132 has 48 divisors (see below), whose sum is σ = 402726481920. Its totient is φ = 86007150432.

The previous prime is 201023122121. The next prime is 201023122177. The reversal of 201023122132 is 231221320102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75942433 + ... + 75945079.

It is an arithmetic number, because the mean of its divisors is an integer number (8390135040).

Almost surely, 2^201023122132 is an apocalyptic number.

It is an amenable number.

201023122132 is an abundant number, since it is smaller than the sum of its proper divisors (201703359788).

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

201023122132 is a wasteful number, since it uses less digits than its factorization.

201023122132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6220 (or 6218 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 201023122132 its reverse (231221320102), we get a palindrome (432244442234).

The spelling of 201023122132 in words is "two hundred one billion, twenty-three million, one hundred twenty-two thousand, one hundred thirty-two".