302212002121 has 2 divisors, whose sum is σ = 302212002122. Its totient is φ = 302212002120.

The previous prime is 302212002119. The next prime is 302212002133. The reversal of 302212002121 is 121200212203.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 238612710400 + 63599291721 = 488480^2 + 252189^2 .

It is a cyclic number.

It is not a de Polignac number, because 302212002121 - 2¹ = 302212002119 is a prime.

Together with 302212002119, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 302212002095 and 302212002104.

It is not a weakly prime, because it can be changed into another prime (302212002221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 151106001060 + 151106001061.

It is an arithmetic number, because the mean of its divisors is an integer number (151106001061).

Almost surely, 2^302212002121 is an apocalyptic number.

It is an amenable number.

302212002121 is a deficient number, since it is larger than the sum of its proper divisors (1).

302212002121 is an equidigital number, since it uses as much as digits as its factorization.

302212002121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 302212002121 its reverse (121200212203), we get a palindrome (423412214324).

The spelling of 302212002121 in words is "three hundred two billion, two hundred twelve million, two thousand, one hundred twenty-one".