12203524530 has 32 divisors (see below), whose sum is σ = 32542732800. Its totient is φ = 3254273136.

The previous prime is 12203524513. The next prime is 12203524559. The reversal of 12203524530 is 3542530221.

It is a happy number.

12203524530 is a `hidden beast` number, since 1 + 2 + 203 + 5 + 2 + 453 + 0 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 12203524494 and 12203524503.

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, 22598850 + ... + 22599389.

It is an arithmetic number, because the mean of its divisors is an integer number (1016960400).

Almost surely, 2^12203524530 is an apocalyptic number.

12203524530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12203524530 is an abundant number, since it is smaller than the sum of its proper divisors (20339208270).

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

12203524530 is a wasteful number, since it uses less digits than its factorization.

12203524530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45198255 (or 45198249 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The spelling of 12203524530 in words is "twelve billion, two hundred three million, five hundred twenty-four thousand, five hundred thirty".