12205435300 has 36 divisors (see below), whose sum is σ = 27637356096. Its totient is φ = 4669904800.

The previous prime is 12205435267. The next prime is 12205435303. The reversal of 12205435300 is 353450221.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (12205435303) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2651056 + ... + 2655655.

It is an arithmetic number, because the mean of its divisors is an integer number (767704336).

Almost surely, 2^12205435300 is an apocalyptic number.

12205435300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12205435300 is an abundant number, since it is smaller than the sum of its proper divisors (15431920796).

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

12205435300 is a wasteful number, since it uses less digits than its factorization.

12205435300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5306748 (or 5306741 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

Adding to 12205435300 its reverse (353450221), we get a palindrome (12558885521).

The spelling of 12205435300 in words is "twelve billion, two hundred five million, four hundred thirty-five thousand, three hundred".