115210212 has 48 divisors (see below), whose sum is σ = 294272832. Its totient is φ = 34865280.

The previous prime is 115210187. The next prime is 115210219. The reversal of 115210212 is 212012511.

It is a junction number, because it is equal to n+sod(n) for n = 115210191 and 115210200.

It is not an unprimeable number, because it can be changed into a prime (115210219) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 3463 + ... + 15569.

It is an arithmetic number, because the mean of its divisors is an integer number (6130684).

Almost surely, 2^115210212 is an apocalyptic number.

115210212 is a gapful number since it is divisible by the number (12) 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 115210212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147136416).

115210212 is an abundant number, since it is smaller than the sum of its proper divisors (179062620).

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

115210212 is a wasteful number, since it uses less digits than its factorization.

115210212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12188 (or 12186 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 15.

The square root of 115210212 is about 10733.6020049189. The cubic root of 115210212 is about 486.5905368708.

Adding to 115210212 its reverse (212012511), we get a palindrome (327222723).

The spelling of 115210212 in words is "one hundred fifteen million, two hundred ten thousand, two hundred twelve".