12045100 has 36 divisors (see below), whose sum is σ = 27279504. Its totient is φ = 4607680.

The previous prime is 12045083. The next prime is 12045133. The reversal of 12045100 is 154021.

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, 319 + ... + 4918.

It is an arithmetic number, because the mean of its divisors is an integer number (757764).

Almost surely, 2^12045100 is an apocalyptic number.

12045100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12045100 is an abundant number, since it is smaller than the sum of its proper divisors (15234404).

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

12045100 is a wasteful number, since it uses less digits than its factorization.

12045100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5274 (or 5267 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 12045100 is about 3470.6051345551. The cubic root of 12045100 is about 229.2293044572.

Adding to 12045100 its reverse (154021), we get a palindrome (12199121).

The spelling of 12045100 in words is "twelve million, forty-five thousand, one hundred".