115600212 has 162 divisors, whose sum is σ = 371295834. Its totient is φ = 30058560.

The previous prime is 115600207. The next prime is 115600223. The reversal of 115600212 is 212006511.

It can be written as a sum of positive squares in only one way, i.e., 80030916 + 35569296 = 8946^2 + 5964^2 .

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 1628137 + ... + 1628207.

Almost surely, 2^115600212 is an apocalyptic number.

115600212 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 115600212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (185647917).

115600212 is an abundant number, since it is smaller than the sum of its proper divisors (255695622).

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

115600212 is a wasteful number, since it uses less digits than its factorization.

115600212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179 (or 96 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 115600212 is about 10751.7539034336. The cubic root of 115600212 is about 487.1389737276.

Adding to 115600212 its reverse (212006511), we get a palindrome (327606723).

The spelling of 115600212 in words is "one hundred fifteen million, six hundred thousand, two hundred twelve".