211120221210012 has 72 divisors (see below), whose sum is σ = 560216953121280. Its totient is φ = 66949003971360.

The previous prime is 211120221209993. The next prime is 211120221210013. The reversal of 211120221210012 is 210012122021112.

211120221210012 is a `hidden beast` number, since 211 + 1 + 20 + 221 + 210 + 0 + 1 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211120221210013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1603119118 + ... + 1603250805.

Almost surely, 2^{211120221210012} is an apocalyptic number.

It is an amenable number.

211120221210012 is an abundant number, since it is smaller than the sum of its proper divisors (349096731911268).

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

211120221210012 is a wasteful number, since it uses less digits than its factorization.

211120221210012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3206370023 (or 3206370018 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 211120221210012 its reverse (210012122021112), we get a palindrome (421132343231124).

The spelling of 211120221210012 in words is "two hundred eleven trillion, one hundred twenty billion, two hundred twenty-one million, two hundred ten thousand, twelve".