2021011203012 has 24 divisors (see below), whose sum is σ = 4715785482912. Its totient is φ = 673657161600.

The previous prime is 2021011202999. The next prime is 2021011203023. The reversal of 2021011203012 is 2103021101202.

It is a super-2 number, since 2×2021011203012² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2021011202982 and 2021011203000.

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, 1008789 + ... + 2249372.

It is an arithmetic number, because the mean of its divisors is an integer number (196491061788).

Almost surely, 2^{2021011203012} is an apocalyptic number.

It is an amenable number.

2021011203012 is an abundant number, since it is smaller than the sum of its proper divisors (2694774279900).

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

2021011203012 is a wasteful number, since it uses less digits than its factorization.

2021011203012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3309859 (or 3309857 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 2021011203012 its reverse (2103021101202), we get a palindrome (4124032304214).

The spelling of 2021011203012 in words is "two trillion, twenty-one billion, eleven million, two hundred three thousand, twelve".