12203222121204 has 48 divisors (see below), whose sum is σ = 28524726187776. Its totient is φ = 4060526579200.

The previous prime is 12203222121187. The next prime is 12203222121217. The reversal of 12203222121204 is 40212122230221.

It is a congruent number.

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, 15813424 + ... + 16567160.

It is an arithmetic number, because the mean of its divisors is an integer number (594265128912).

Almost surely, 2^{12203222121204} is an apocalyptic number.

It is an amenable number.

12203222121204 is an abundant number, since it is smaller than the sum of its proper divisors (16321504066572).

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

12203222121204 is a wasteful number, since it uses less digits than its factorization.

12203222121204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 756136 (or 756134 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 12203222121204 its reverse (40212122230221), we get a palindrome (52415344351425).

The spelling of 12203222121204 in words is "twelve trillion, two hundred three billion, two hundred twenty-two million, one hundred twenty-one thousand, two hundred four".