201120021012 has 24 divisors (see below), whose sum is σ = 469353679200. Its totient is φ = 67029488416.

The previous prime is 201120020993. The next prime is 201120021023. The reversal of 201120021012 is 210120021102.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1234962 + ... + 1388297.

It is an arithmetic number, because the mean of its divisors is an integer number (19556403300).

Almost surely, 2^201120021012 is an apocalyptic number.

It is an amenable number.

201120021012 is an abundant number, since it is smaller than the sum of its proper divisors (268233658188).

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

201120021012 is a wasteful number, since it uses less digits than its factorization.

201120021012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2629655 (or 2629653 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 201120021012 its reverse (210120021102), we get a palindrome (411240042114).

The spelling of 201120021012 in words is "two hundred one billion, one hundred twenty million, twenty-one thousand, twelve".