12053520520 has 16 divisors (see below), whose sum is σ = 27120421260. Its totient is φ = 4821408192.

The previous prime is 12053520469. The next prime is 12053520541. The reversal of 12053520520 is 2502535021.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 11884052196 + 169468324 = 109014^2 + 13018^2 .

It is a super-2 number, since 2×12053520520² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 150668967 + ... + 150669046.

Almost surely, 2^12053520520 is an apocalyptic number.

12053520520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12053520520 is an abundant number, since it is smaller than the sum of its proper divisors (15066900740).

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

12053520520 is a wasteful number, since it uses less digits than its factorization.

12053520520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301338024 (or 301338020 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 25.

The spelling of 12053520520 in words is "twelve billion, fifty-three million, five hundred twenty thousand, five hundred twenty".