12012048 has 30 divisors (see below), whose sum is σ = 33617454. Its totient is φ = 4003968.

The previous prime is 12012037. The next prime is 12012053. The reversal of 12012048 is 84021021.

It can be written as a sum of positive squares in only one way, i.e., 7551504 + 4460544 = 2748^2 + 2112^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 12012048.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 41565 + ... + 41852.

Almost surely, 2^12012048 is an apocalyptic number.

12012048 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

12012048 is an abundant number, since it is smaller than the sum of its proper divisors (21605406).

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

12012048 is a wasteful number, since it uses less digits than its factorization.

12012048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83431 (or 83422 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 12012048 is about 3465.8401578838. The cubic root of 12012048 is about 229.0194424229.

Adding to 12012048 its reverse (84021021), we get a palindrome (96033069).

It can be divided in two parts, 1201 and 2048, that added together give a square (3249 = 57²).

The spelling of 12012048 in words is "twelve million, twelve thousand, forty-eight".