20201210021012 has 12 divisors (see below), whose sum is σ = 36174259805376. Its totient is φ = 9865707219480.

The previous prime is 20201210020997. The next prime is 20201210021063. The reversal of 20201210021012 is 21012001210202.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 58724447564 + ... + 58724447907.

It is an arithmetic number, because the mean of its divisors is an integer number (3014521650448).

Almost surely, 2^{20201210021012} is an apocalyptic number.

It is an amenable number.

20201210021012 is a deficient number, since it is larger than the sum of its proper divisors (15973049784364).

20201210021012 is a wasteful number, since it uses less digits than its factorization.

20201210021012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117448895518 (or 117448895516 counting only the distinct ones).

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

Adding to 20201210021012 its reverse (21012001210202), we get a palindrome (41213211231214).

The spelling of 20201210021012 in words is "twenty trillion, two hundred one billion, two hundred ten million, twenty-one thousand, twelve".