115453212120 has 48 divisors (see below), whose sum is σ = 375222940560. Its totient is φ = 30787523136.

The previous prime is 115453212107. The next prime is 115453212137. The reversal of 115453212120 is 21212354511.

It is a happy number.

115453212120 is a `hidden beast` number, since 1 + 1 + 5 + 4 + 532 + 1 + 2 + 120 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 160351324 + ... + 160352043.

It is an arithmetic number, because the mean of its divisors is an integer number (7817144595).

Almost surely, 2^115453212120 is an apocalyptic number.

115453212120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115453212120 is an abundant number, since it is smaller than the sum of its proper divisors (259769728440).

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

115453212120 is a wasteful number, since it uses less digits than its factorization.

115453212120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320703384 (or 320703377 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

Adding to 115453212120 its reverse (21212354511), we get a palindrome (136665566631).

The spelling of 115453212120 in words is "one hundred fifteen billion, four hundred fifty-three million, two hundred twelve thousand, one hundred twenty".