115212000 has 96 divisors (see below), whose sum is σ = 377473824. Its totient is φ = 30720000.

The previous prime is 115211963. The next prime is 115212017. The reversal of 115212000 is 212511.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7200 + ... + 16800.

It is an arithmetic number, because the mean of its divisors is an integer number (3932019).

Almost surely, 2^115212000 is an apocalyptic number.

115212000 is a gapful number since it is divisible by the number (10) 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 115212000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (188736912).

115212000 is an abundant number, since it is smaller than the sum of its proper divisors (262261824).

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

115212000 is an equidigital number, since it uses as much as digits as its factorization.

115212000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9629 (or 9611 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 12.

The square root of 115212000 is about 10733.6852944364. The cubic root of 115212000 is about 486.5930540648.

Adding to 115212000 its reverse (212511), we get a palindrome (115424511).

It can be divided in two parts, 1152 and 12000, that multiplied together give a cube (13824000 = 240³).

The spelling of 115212000 in words is "one hundred fifteen million, two hundred twelve thousand".