201211020032 has 108 divisors (see below), whose sum is σ = 448709124528. Its totient is φ = 89959372800.

The previous prime is 201211020013. The next prime is 201211020041. The reversal of 201211020032 is 230020112102.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 201211019989 and 201211020016.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1836293 + ... + 1942779.

It is an arithmetic number, because the mean of its divisors is an integer number (4154714116).

Almost surely, 2^201211020032 is an apocalyptic number.

201211020032 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201211020032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (224354562264).

201211020032 is an abundant number, since it is smaller than the sum of its proper divisors (247498104496).

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

201211020032 is a wasteful number, since it uses less digits than its factorization.

201211020032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106586 (or 106561 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 201211020032 its reverse (230020112102), we get a palindrome (431231132134).

The spelling of 201211020032 in words is "two hundred one billion, two hundred eleven million, twenty thousand, thirty-two".