2021002010012 has 24 divisors (see below), whose sum is σ = 3597856722432. Its totient is φ = 993071736000.

The previous prime is 2021002010011. The next prime is 2021002010029. The reversal of 2021002010012 is 2100102001202.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2021002009975 and 2021002010002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021002010011) by changing a digit.

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, 3317243 + ... + 3878930.

It is an arithmetic number, because the mean of its divisors is an integer number (149910696768).

Almost surely, 2^{2021002010012} is an apocalyptic number.

It is an amenable number.

2021002010012 is a deficient number, since it is larger than the sum of its proper divisors (1576854712420).

2021002010012 is a wasteful number, since it uses less digits than its factorization.

2021002010012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7197389 (or 7197387 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 2021002010012 its reverse (2100102001202), we get a palindrome (4121104011214).

The spelling of 2021002010012 in words is "two trillion, twenty-one billion, two million, ten thousand, twelve".