12151533225 has 24 divisors (see below), whose sum is σ = 21635962432. Its totient is φ = 5982292800.

The previous prime is 12151533211. The next prime is 12151533287. The reversal of 12151533225 is 52233515121.

12151533225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12151533225 - 2⁵ = 12151533193 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12151533192 and 12151533201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6230581 + ... + 6232530.

Almost surely, 2^12151533225 is an apocalyptic number.

12151533225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12151533225 is a deficient number, since it is larger than the sum of its proper divisors (9484429207).

12151533225 is a wasteful number, since it uses less digits than its factorization.

12151533225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12463137 (or 12463132 counting only the distinct ones).

The product of its digits is 9000, while the sum is 30.

The spelling of 12151533225 in words is "twelve billion, one hundred fifty-one million, five hundred thirty-three thousand, two hundred twenty-five".