210112340 has 12 divisors (see below), whose sum is σ = 441235956. Its totient is φ = 84044928.

The previous prime is 210112321. The next prime is 210112349. The reversal of 210112340 is 43211012.

It can be written as a sum of positive squares in 2 ways, for example, as 142181776 + 67930564 = 11924^2 + 8242^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210112349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5252789 + ... + 5252828.

It is an arithmetic number, because the mean of its divisors is an integer number (36769663).

Almost surely, 2^210112340 is an apocalyptic number.

210112340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210112340 is an abundant number, since it is smaller than the sum of its proper divisors (231123616).

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

210112340 is a wasteful number, since it uses less digits than its factorization.

210112340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10505626 (or 10505624 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 210112340 is about 14495.2523261929. The cubic root of 210112340 is about 594.4981668887.

Adding to 210112340 its reverse (43211012), we get a palindrome (253323352).

It can be divided in two parts, 2101 and 12340, that added together give a palindrome (14441).

The spelling of 210112340 in words is "two hundred ten million, one hundred twelve thousand, three hundred forty".