115212102 has 16 divisors (see below), whose sum is σ = 233014320. Its totient is φ = 37972352.

The previous prime is 115212079. The next prime is 115212107. The reversal of 115212102 is 201212511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115212107) 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 7 ways as a sum of consecutive naturals, for example, 107343 + ... + 108410.

It is an arithmetic number, because the mean of its divisors is an integer number (14563395).

Almost surely, 2^115212102 is an apocalyptic number.

115212102 is an abundant number, since it is smaller than the sum of its proper divisors (117802218).

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

115212102 is a wasteful number, since it uses less digits than its factorization.

115212102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215847.

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

The square root of 115212102 is about 10733.6900458323. The cubic root of 115212102 is about 486.5931976623.

Adding to 115212102 its reverse (201212511), we get a palindrome (316424613).

The spelling of 115212102 in words is "one hundred fifteen million, two hundred twelve thousand, one hundred two".