211020202012 has 12 divisors (see below), whose sum is σ = 369291608560. Its totient is φ = 105508313856.

The previous prime is 211020202007. The next prime is 211020202049. The reversal of 211020202012 is 210202020112.

It is a happy number.

It is a super-3 number, since 3×211020202012³ (a number of 35 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 211020201983 and 211020202001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 160773 + ... + 669244.

Almost surely, 2^211020202012 is an apocalyptic number.

It is an amenable number.

211020202012 is a deficient number, since it is larger than the sum of its proper divisors (158271406548).

211020202012 is a wasteful number, since it uses less digits than its factorization.

211020202012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 893580 (or 893578 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 211020202012 its reverse (210202020112), we get a palindrome (421222222124).

The spelling of 211020202012 in words is "two hundred eleven billion, twenty million, two hundred two thousand, twelve".