12122040204 has 48 divisors (see below), whose sum is σ = 33081596800. Its totient is φ = 3828012048.

The previous prime is 12122040187. The next prime is 12122040209. The reversal of 12122040204 is 40204022121.

12122040204 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (12122040209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2951662 + ... + 2955765.

Almost surely, 2^12122040204 is an apocalyptic number.

It is an amenable number.

12122040204 is an abundant number, since it is smaller than the sum of its proper divisors (20959556596).

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

12122040204 is a wasteful number, since it uses less digits than its factorization.

12122040204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5907459 (or 5907451 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 12122040204 its reverse (40204022121), we get a palindrome (52326062325).

The spelling of 12122040204 in words is "twelve billion, one hundred twenty-two million, forty thousand, two hundred four".