212134201110 has 48 divisors (see below), whose sum is σ = 593975766384. Its totient is φ = 52217649216.

The previous prime is 212134201093. The next prime is 212134201117. The reversal of 212134201110 is 11102431212.

212134201110 is a `hidden beast` number, since 21 + 213 + 420 + 1 + 1 + 10 = 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 (212134201117) 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, 90654472 + ... + 90656811.

It is an arithmetic number, because the mean of its divisors is an integer number (12374495133).

Almost surely, 2^212134201110 is an apocalyptic number.

212134201110 is an abundant number, since it is smaller than the sum of its proper divisors (381841565274).

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

212134201110 is a wasteful number, since it uses less digits than its factorization.

212134201110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181311309 (or 181311306 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 212134201110 its reverse (11102431212), we get a palindrome (223236632322).

The spelling of 212134201110 in words is "two hundred twelve billion, one hundred thirty-four million, two hundred one thousand, one hundred ten".