2021002112012 has 24 divisors (see below), whose sum is σ = 3974412182496. Its totient is φ = 892214978688.

The previous prime is 2021002111991. The next prime is 2021002112033. The reversal of 2021002112012 is 2102112001202.

It is an interprime number because it is at equal distance from previous prime (2021002111991) and next prime (2021002112033).

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, 844899353 + ... + 844901744.

It is an arithmetic number, because the mean of its divisors is an integer number (165600507604).

Almost surely, 2^{2021002112012} is an apocalyptic number.

It is an amenable number.

2021002112012 is a deficient number, since it is larger than the sum of its proper divisors (1953410070484).

2021002112012 is a wasteful number, since it uses less digits than its factorization.

2021002112012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1689801137 (or 1689801135 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2021002112012 its reverse (2102112001202), we get a palindrome (4123114113214).

The spelling of 2021002112012 in words is "two trillion, twenty-one billion, two million, one hundred twelve thousand, twelve".