212110231140 has 288 divisors, whose sum is σ = 686529043200. Its totient is φ = 52824834048.

The previous prime is 212110231121. The next prime is 212110231153. The reversal of 212110231140 is 41132011212.

212110231140 is a `hidden beast` number, since 212 + 1 + 102 + 311 + 40 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 361345927 + ... + 361346513.

It is an arithmetic number, because the mean of its divisors is an integer number (2383781400).

Almost surely, 2^212110231140 is an apocalyptic number.

212110231140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212110231140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (343264521600).

212110231140 is an abundant number, since it is smaller than the sum of its proper divisors (474418812060).

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

212110231140 is a wasteful number, since it uses less digits than its factorization.

212110231140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1331 (or 1326 counting only the distinct ones).

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

Adding to 212110231140 its reverse (41132011212), we get a palindrome (253242242352).

The spelling of 212110231140 in words is "two hundred twelve billion, one hundred ten million, two hundred thirty-one thousand, one hundred forty".