12153055320 has 160 divisors (see below), whose sum is σ = 46683252000. Its totient is φ = 2777836032.

The previous prime is 12153055309. The next prime is 12153055337. The reversal of 12153055320 is 2355035121.

It is a happy number.

12153055320 is a `hidden beast` number, since 121 + 5 + 3 + 0 + 5 + 532 + 0 = 666.

It is a super-2 number, since 2×12153055320² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 245245 + ... + 290604.

It is an arithmetic number, because the mean of its divisors is an integer number (291770325).

Almost surely, 2^12153055320 is an apocalyptic number.

12153055320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12153055320 is an abundant number, since it is smaller than the sum of its proper divisors (34530196680).

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

12153055320 is a wasteful number, since it uses less digits than its factorization.

12153055320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535879 (or 535866 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The spelling of 12153055320 in words is "twelve billion, one hundred fifty-three million, fifty-five thousand, three hundred twenty".