211021201020012 has 12 divisors (see below), whose sum is σ = 492382802380056. Its totient is φ = 70340400340000.

The previous prime is 211021201019987. The next prime is 211021201020029. The reversal of 211021201020012 is 210020102120112.

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 = 211021201019973 and 211021201020000.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8792550042489 + ... + 8792550042512.

It is an arithmetic number, because the mean of its divisors is an integer number (41031900198338).

Almost surely, 2^{211021201020012} is an apocalyptic number.

It is an amenable number.

211021201020012 is an abundant number, since it is smaller than the sum of its proper divisors (281361601360044).

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

211021201020012 is a wasteful number, since it uses less digits than its factorization.

211021201020012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17585100085008 (or 17585100085006 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 211021201020012 its reverse (210020102120112), we get a palindrome (421041303140124).

The spelling of 211021201020012 in words is "two hundred eleven trillion, twenty-one billion, two hundred one million, twenty thousand, twelve".