212112121216182 has 64 divisors (see below), whose sum is σ = 483757121802240. Its totient is φ = 61374100154400.

The previous prime is 212112121216147. The next prime is 212112121216183. The reversal of 212112121216182 is 281612121211212.

212112121216182 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×212112121216182² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212112121216183) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 121489882 + ... + 123223437.

It is an arithmetic number, because the mean of its divisors is an integer number (7558705028160).

Almost surely, 2^{212112121216182} is an apocalyptic number.

212112121216182 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

212112121216182 is an abundant number, since it is smaller than the sum of its proper divisors (271645000586058).

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

212112121216182 is a wasteful number, since it uses less digits than its factorization.

212112121216182 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244713929.

The product of its digits is 3072, while the sum is 33.

Adding to 212112121216182 its reverse (281612121211212), we get a palindrome (493724242427394).

The spelling of 212112121216182 in words is "two hundred twelve trillion, one hundred twelve billion, one hundred twenty-one million, two hundred sixteen thousand, one hundred eighty-two".