12151120 has 40 divisors (see below), whose sum is σ = 28685664. Its totient is φ = 4785792.

The previous prime is 12151103. The next prime is 12151147. The reversal of 12151120 is 2115121.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 12151120.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4227 + ... + 6493.

Almost surely, 2^12151120 is an apocalyptic number.

12151120 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 12151120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14342832).

12151120 is an abundant number, since it is smaller than the sum of its proper divisors (16534544).

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

12151120 is a wasteful number, since it uses less digits than its factorization.

12151120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2347 (or 2341 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 13.

The square root of 12151120 is about 3485.8456649714. The cubic root of 12151120 is about 229.8998934234.

Adding to 12151120 its reverse (2115121), we get a palindrome (14266241).

The spelling of 12151120 in words is "twelve million, one hundred fifty-one thousand, one hundred twenty".