20211033012 has 12 divisors (see below), whose sum is σ = 47159077056. Its totient is φ = 6737011000.

The previous prime is 20211032993. The next prime is 20211033047. The reversal of 20211033012 is 21033011202.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 20211032982 and 20211033000.

It is a congruent number.

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, 842126364 + ... + 842126387.

It is an arithmetic number, because the mean of its divisors is an integer number (3929923088).

Almost surely, 2^20211033012 is an apocalyptic number.

It is an amenable number.

20211033012 is an abundant number, since it is smaller than the sum of its proper divisors (26948044044).

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

20211033012 is a wasteful number, since it uses less digits than its factorization.

20211033012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1684252758 (or 1684252756 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 20211033012 its reverse (21033011202), we get a palindrome (41244044214).

The spelling of 20211033012 in words is "twenty billion, two hundred eleven million, thirty-three thousand, twelve".