12215301113 has 2 divisors, whose sum is σ = 12215301114. Its totient is φ = 12215301112.

The previous prime is 12215301097. The next prime is 12215301157. The reversal of 12215301113 is 31110351221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10300626064 + 1914675049 = 101492^2 + 43757^2 .

It is a cyclic number.

It is not a de Polignac number, because 12215301113 - 2⁴ = 12215301097 is a prime.

It is not a weakly prime, because it can be changed into another prime (12215301313) 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, 6107650556 + 6107650557.

It is an arithmetic number, because the mean of its divisors is an integer number (6107650557).

Almost surely, 2^12215301113 is an apocalyptic number.

It is an amenable number.

12215301113 is a deficient number, since it is larger than the sum of its proper divisors (1).

12215301113 is an equidigital number, since it uses as much as digits as its factorization.

12215301113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180, while the sum is 20.

Adding to 12215301113 its reverse (31110351221), we get a palindrome (43325652334).

The spelling of 12215301113 in words is "twelve billion, two hundred fifteen million, three hundred one thousand, one hundred thirteen".