211012120022112 has 36 divisors (see below), whose sum is σ = 600065716313700. Its totient is φ = 70337373340608.

The previous prime is 211012120022087. The next prime is 211012120022131. The reversal of 211012120022112 is 211220021210112.

211012120022112 is a `hidden beast` number, since 2 + 110 + 121 + 200 + 221 + 12 = 666.

211012120022112 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×211012120022112² (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, 366340485862 + ... + 366340486437.

It is an arithmetic number, because the mean of its divisors is an integer number (16668492119825).

Almost surely, 2^{211012120022112} is an apocalyptic number.

It is an amenable number.

211012120022112 is an abundant number, since it is smaller than the sum of its proper divisors (389053596291588).

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

211012120022112 is a wasteful number, since it uses less digits than its factorization.

211012120022112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 732680972315 (or 732680972304 counting only the distinct ones).

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

Adding to 211012120022112 its reverse (211220021210112), we get a palindrome (422232141232224).

The spelling of 211012120022112 in words is "two hundred eleven trillion, twelve billion, one hundred twenty million, twenty-two thousand, one hundred twelve".