201120001012 has 24 divisors (see below), whose sum is σ = 402276502656. Its totient is φ = 86186464608.

The previous prime is 201120001003. The next prime is 201120001037. The reversal of 201120001012 is 210100021102.

It is a self number, because there is not a number n which added to its sum of digits gives 201120001012.

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, 6328 + ... + 634255.

It is an arithmetic number, because the mean of its divisors is an integer number (16761520944).

Almost surely, 2^201120001012 is an apocalyptic number.

It is an amenable number.

201120001012 is an abundant number, since it is smaller than the sum of its proper divisors (201156501644).

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

201120001012 is a wasteful number, since it uses less digits than its factorization.

201120001012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 651807 (or 651805 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 201120001012 its reverse (210100021102), we get a palindrome (411220022114).

The spelling of 201120001012 in words is "two hundred one billion, one hundred twenty million, one thousand, twelve".