12051144 has 48 divisors (see below), whose sum is σ = 37302720. Its totient is φ = 3443040.

The previous prime is 12051139. The next prime is 12051167. The reversal of 12051144 is 44115021.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11452 + ... + 12459.

It is an arithmetic number, because the mean of its divisors is an integer number (777140).

Almost surely, 2^12051144 is an apocalyptic number.

12051144 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12051144 is an abundant number, since it is smaller than the sum of its proper divisors (25251576).

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

12051144 is a wasteful number, since it uses less digits than its factorization.

12051144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23930 (or 23923 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 12051144 is about 3471.4757668749. The cubic root of 12051144 is about 229.2676390012.

Adding to 12051144 its reverse (44115021), we get a palindrome (56166165).

The spelling of 12051144 in words is "twelve million, fifty-one thousand, one hundred forty-four".