12205442325 has 12 divisors (see below), whose sum is σ = 20179664768. Its totient is φ = 6509569200.

The previous prime is 12205442321. The next prime is 12205442351. The reversal of 12205442325 is 52324450221.

It is not a de Polignac number, because 12205442325 - 2² = 12205442321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12205442292 and 12205442301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12205442321) 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, 81369541 + ... + 81369690.

Almost surely, 2^12205442325 is an apocalyptic number.

12205442325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12205442325 is a deficient number, since it is larger than the sum of its proper divisors (7974222443).

12205442325 is a wasteful number, since it uses less digits than its factorization.

12205442325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162739244 (or 162739239 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 12205442325 its reverse (52324450221), we get a palindrome (64529892546).

The spelling of 12205442325 in words is "twelve billion, two hundred five million, four hundred forty-two thousand, three hundred twenty-five".