20211002000012 has 12 divisors (see below), whose sum is σ = 36510197161536. Its totient is φ = 9779517096720.

The previous prime is 20211001999997. The next prime is 20211002000041. The reversal of 20211002000012 is 21000020011202.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20211001999957 and 20211002000002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81495975683 + ... + 81495975930.

It is an arithmetic number, because the mean of its divisors is an integer number (3042516430128).

Almost surely, 2^{20211002000012} is an apocalyptic number.

It is an amenable number.

20211002000012 is a deficient number, since it is larger than the sum of its proper divisors (16299195161524).

20211002000012 is a wasteful number, since it uses less digits than its factorization.

20211002000012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162991951648 (or 162991951646 counting only the distinct ones).

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

Adding to 20211002000012 its reverse (21000020011202), we get a palindrome (41211022011214).

The spelling of 20211002000012 in words is "twenty trillion, two hundred eleven billion, two million, twelve", and thus it is an aban number.