12210303132121 has 2 divisors, whose sum is σ = 12210303132122. Its totient is φ = 12210303132120.

The previous prime is 12210303132077. The next prime is 12210303132133. The reversal of 12210303132121 is 12123130301221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10637636648521 + 1572666483600 = 3261539^2 + 1254060^2 .

It is an emirp because it is prime and its reverse (12123130301221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12210303132121 - 2¹⁵ = 12210303099353 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12210303132092 and 12210303132101.

It is not a weakly prime, because it can be changed into another prime (12210303132721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6105151566060 + 6105151566061.

It is an arithmetic number, because the mean of its divisors is an integer number (6105151566061).

Almost surely, 2^{12210303132121} is an apocalyptic number.

It is an amenable number.

12210303132121 is a deficient number, since it is larger than the sum of its proper divisors (1).

12210303132121 is an equidigital number, since it uses as much as digits as its factorization.

12210303132121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 12210303132121 its reverse (12123130301221), we get a palindrome (24333433433342).

The spelling of 12210303132121 in words is "twelve trillion, two hundred ten billion, three hundred three million, one hundred thirty-two thousand, one hundred twenty-one".