12153566220 has 96 divisors (see below), whose sum is σ = 37928217600. Its totient is φ = 2889759744.

The previous prime is 12153566197. The next prime is 12153566233. The reversal of 12153566220 is 2266535121.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 294180 + ... + 332939.

It is an arithmetic number, because the mean of its divisors is an integer number (395085600).

Almost surely, 2^12153566220 is an apocalyptic number.

12153566220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12153566220 is an abundant number, since it is smaller than the sum of its proper divisors (25774651380).

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

12153566220 is a wasteful number, since it uses less digits than its factorization.

12153566220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627167 (or 627165 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 33.

The spelling of 12153566220 in words is "twelve billion, one hundred fifty-three million, five hundred sixty-six thousand, two hundred twenty".