211212110012112 has 120 divisors (see below), whose sum is σ = 645120677455488. Its totient is φ = 63975510374400.

The previous prime is 211212110012093. The next prime is 211212110012147. The reversal of 211212110012112 is 211210011212112.

It is a happy number.

211212110012112 is a `hidden beast` number, since 211 + 212 + 110 + 0 + 121 + 12 = 666.

It is a super-2 number, since 2×211212110012112² (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 pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25731064 + ... + 32931927.

Almost surely, 2^{211212110012112} is an apocalyptic number.

211212110012112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

211212110012112 is an abundant number, since it is smaller than the sum of its proper divisors (433908567443376).

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

211212110012112 is a wasteful number, since it uses less digits than its factorization.

211212110012112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58665289 (or 58665280 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 211212110012112 its reverse (211210011212112), we get a palindrome (422422121224224).

The spelling of 211212110012112 in words is "two hundred eleven trillion, two hundred twelve billion, one hundred ten million, twelve thousand, one hundred twelve".