302102312212081 has 2 divisors, whose sum is σ = 302102312212082. Its totient is φ = 302102312212080.

The previous prime is 302102312212013. The next prime is 302102312212109. The reversal of 302102312212081 is 180212213201203.

It is an a-pointer prime, because the next prime (302102312212109) can be obtained adding 302102312212081 to its sum of digits (28).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 242162896589056 + 59939415623025 = 15561584^2 + 7742055^2 .

It is a cyclic number.

It is not a de Polignac number, because 302102312212081 - 2⁴⁵ = 266917940123249 is a prime.

It is a super-2 number, since 2×302102312212081² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (302102312812081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 151051156106040 + 151051156106041.

It is an arithmetic number, because the mean of its divisors is an integer number (151051156106041).

Almost surely, 2^{302102312212081} is an apocalyptic number.

It is an amenable number.

302102312212081 is a deficient number, since it is larger than the sum of its proper divisors (1).

302102312212081 is an equidigital number, since it uses as much as digits as its factorization.

302102312212081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 28.

Adding to 302102312212081 its reverse (180212213201203), we get a palindrome (482314525413284).

The spelling of 302102312212081 in words is "three hundred two trillion, one hundred two billion, three hundred twelve million, two hundred twelve thousand, eighty-one".