12200010202121 has 4 divisors (see below), whose sum is σ = 13942868802432. Its totient is φ = 10457151601812.

The previous prime is 12200010202111. The next prime is 12200010202123. The reversal of 12200010202121 is 12120201000221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12200010202121 - 2³⁸ = 11925132295177 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12200010202096 and 12200010202105.

It is not an unprimeable number, because it can be changed into a prime (12200010202123) 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 3 ways as a sum of consecutive naturals, for example, 871429300145 + ... + 871429300158.

It is an arithmetic number, because the mean of its divisors is an integer number (3485717200608).

Almost surely, 2^{12200010202121} is an apocalyptic number.

It is an amenable number.

12200010202121 is a deficient number, since it is larger than the sum of its proper divisors (1742858600311).

12200010202121 is an equidigital number, since it uses as much as digits as its factorization.

12200010202121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1742858600310.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12200010202121 its reverse (12120201000221), we get a palindrome (24320211202342).

The spelling of 12200010202121 in words is "twelve trillion, two hundred billion, ten million, two hundred two thousand, one hundred twenty-one".