2021002102012 has 24 divisors (see below), whose sum is σ = 3634536041136. Its totient is φ = 982764951168.

The previous prime is 2021002102001. The next prime is 2021002102027. The reversal of 2021002102012 is 2102012001202.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2021002101983 and 2021002102001.

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, 25174543 + ... + 25254694.

It is an arithmetic number, because the mean of its divisors is an integer number (151439001714).

Almost surely, 2^{2021002102012} is an apocalyptic number.

It is an amenable number.

2021002102012 is a deficient number, since it is larger than the sum of its proper divisors (1613533939124).

2021002102012 is a wasteful number, since it uses less digits than its factorization.

2021002102012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50429517 (or 50429515 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 2021002102012 its reverse (2102012001202), we get a palindrome (4123014103214).

The spelling of 2021002102012 in words is "two trillion, twenty-one billion, two million, one hundred two thousand, twelve".