12153100520 has 64 divisors (see below), whose sum is σ = 30275640000. Its totient is φ = 4353338880.

The previous prime is 12153100513. The next prime is 12153100541. The reversal of 12153100520 is 2500135121.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 12153100492 and 12153100501.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 176645 + ... + 235604.

It is an arithmetic number, because the mean of its divisors is an integer number (473056875).

Almost surely, 2^12153100520 is an apocalyptic number.

12153100520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12153100520 is an abundant number, since it is smaller than the sum of its proper divisors (18122539480).

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

12153100520 is a wasteful number, since it uses less digits than its factorization.

12153100520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412338 (or 412334 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 20.

Adding to 12153100520 its reverse (2500135121), we get a palindrome (14653235641).

The spelling of 12153100520 in words is "twelve billion, one hundred fifty-three million, one hundred thousand, five hundred twenty".