12200384427 has 32 divisors (see below), whose sum is σ = 20303867904. Its totient is φ = 6330765600.

The previous prime is 12200384347. The next prime is 12200384533. The reversal of 12200384427 is 72448300221.

It is a happy number.

It is not a de Polignac number, because 12200384427 - 2¹² = 12200380331 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (12200384327) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 180402 + ... + 238632.

It is an arithmetic number, because the mean of its divisors is an integer number (634495872).

Almost surely, 2^12200384427 is an apocalyptic number.

12200384427 is a deficient number, since it is larger than the sum of its proper divisors (8103483477).

12200384427 is a wasteful number, since it uses less digits than its factorization.

12200384427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59159.

The product of its (nonzero) digits is 21504, while the sum is 33.

Adding to 12200384427 its reverse (72448300221), we get a palindrome (84648684648).

The spelling of 12200384427 in words is "twelve billion, two hundred million, three hundred eighty-four thousand, four hundred twenty-seven".