12210200121 has 8 divisors (see below), whose sum is σ = 18606019264. Its totient is φ = 6977257200.

The previous prime is 12210200111. The next prime is 12210200129. The reversal of 12210200121 is 12100201221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12210200121 - 2⁹ = 12210199609 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12210200097 and 12210200106.

It is not an unprimeable number, because it can be changed into a prime (12210200129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 290719030 + ... + 290719071.

It is an arithmetic number, because the mean of its divisors is an integer number (2325752408).

Almost surely, 2^12210200121 is an apocalyptic number.

It is an amenable number.

12210200121 is a deficient number, since it is larger than the sum of its proper divisors (6395819143).

12210200121 is an equidigital number, since it uses as much as digits as its factorization.

12210200121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 581438111.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 12210200121 its reverse (12100201221), we get a palindrome (24310401342).

The spelling of 12210200121 in words is "twelve billion, two hundred ten million, two hundred thousand, one hundred twenty-one".