115203512212 has 24 divisors (see below), whose sum is σ = 212983161440. Its totient is φ = 54373070880.

The previous prime is 115203512197. The next prime is 115203512219. The reversal of 115203512212 is 212215302511.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115203512219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2715114 + ... + 2757217.

Almost surely, 2^115203512212 is an apocalyptic number.

It is an amenable number.

115203512212 is a deficient number, since it is larger than the sum of its proper divisors (97779649228).

115203512212 is a wasteful number, since it uses less digits than its factorization.

115203512212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5472631 (or 5472629 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 25.

Adding to 115203512212 its reverse (212215302511), we get a palindrome (327418814723).

The spelling of 115203512212 in words is "one hundred fifteen billion, two hundred three million, five hundred twelve thousand, two hundred twelve".