211200212012112 has 30 divisors (see below), whose sum is σ = 591067260006522. Its totient is φ = 70400070670656.

The previous prime is 211200212012093. The next prime is 211200212012129. The reversal of 211200212012112 is 211210212002112.

211200212012112 is a `hidden beast` number, since 211 + 20 + 0 + 21 + 201 + 211 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 210566334897216 + 633877114896 = 14510904^2 + 796164^2 .

It is a super-2 number, since 2×211200212012112² (a number of 29 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 733334069343 + ... + 733334069630.

Almost surely, 2^{211200212012112} is an apocalyptic number.

It is an amenable number.

211200212012112 is an abundant number, since it is smaller than the sum of its proper divisors (379867047994410).

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

211200212012112 is a wasteful number, since it uses less digits than its factorization.

211200212012112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1466668138987 (or 1466668138978 counting only the distinct ones).

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

Adding to 211200212012112 its reverse (211210212002112), we get a palindrome (422410424014224).

The spelling of 211200212012112 in words is "two hundred eleven trillion, two hundred billion, two hundred twelve million, twelve thousand, one hundred twelve".