12152100 has 36 divisors (see below), whose sum is σ = 35160944. Its totient is φ = 3240480.

The previous prime is 12152099. The next prime is 12152137. The reversal of 12152100 is 125121.

12152100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

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, 19954 + ... + 20553.

Almost surely, 2^12152100 is an apocalyptic number.

12152100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12152100 is an abundant number, since it is smaller than the sum of its proper divisors (23008844).

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

12152100 is a wasteful number, since it uses less digits than its factorization.

12152100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40524 (or 40517 counting only the distinct ones).

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

The square root of 12152100 is about 3485.9862306096. The cubic root of 12152100 is about 229.9060738094.

Adding to 12152100 its reverse (125121), we get a palindrome (12277221).

The spelling of 12152100 in words is "twelve million, one hundred fifty-two thousand, one hundred".