2021120001012 has 96 divisors (see below), whose sum is σ = 5425668864000. Its totient is φ = 573616662912.

The previous prime is 2021120000989. The next prime is 2021120001013. The reversal of 2021120001012 is 2101000211202.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021120001013) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7579039 + ... + 7841177.

It is an arithmetic number, because the mean of its divisors is an integer number (56517384000).

Almost surely, 2^{2021120001012} is an apocalyptic number.

It is an amenable number.

2021120001012 is an abundant number, since it is smaller than the sum of its proper divisors (3404548862988).

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

2021120001012 is a wasteful number, since it uses less digits than its factorization.

2021120001012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262765 (or 262763 counting only the distinct ones).

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

Adding to 2021120001012 its reverse (2101000211202), we get a palindrome (4122120212214).

The spelling of 2021120001012 in words is "two trillion, twenty-one billion, one hundred twenty million, one thousand, twelve".