201132120111012 has 72 divisors (see below), whose sum is σ = 518436101776320. Its totient is φ = 65735769211200.

The previous prime is 201132120111007. The next prime is 201132120111029. The reversal of 201132120111012 is 210111021231102.

It is a happy number.

201132120111012 is a `hidden beast` number, since 20 + 1 + 1 + 321 + 201 + 110 + 12 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 268153962 + ... + 268902977.

It is an arithmetic number, because the mean of its divisors is an integer number (7200501413560).

Almost surely, 2^{201132120111012} is an apocalyptic number.

It is an amenable number.

201132120111012 is an abundant number, since it is smaller than the sum of its proper divisors (317303981665308).

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

201132120111012 is a wasteful number, since it uses less digits than its factorization.

201132120111012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537057153 (or 537057148 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

Adding to 201132120111012 its reverse (210111021231102), we get a palindrome (411243141342114).

The spelling of 201132120111012 in words is "two hundred one trillion, one hundred thirty-two billion, one hundred twenty million, one hundred eleven thousand, twelve".