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12368926081 is a prime number
BaseRepresentation
bin10111000010011111…
…01101010110000001
31011221000022112210101
423201033231112001
5200312421113311
65403205002401
7615341064661
oct134117552601
934830275711
1012368926081
115277a33266
1224923b3401
131221716395
14854a141a1
154c5d46ec1
hex2e13ed581

12368926081 has 2 divisors, whose sum is σ = 12368926082. Its totient is φ = 12368926080.

The previous prime is 12368926027. The next prime is 12368926093. The reversal of 12368926081 is 18062986321.

12368926081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8200932481 + 4167993600 = 90559^2 + 64560^2 .

It is a cyclic number.

It is not a de Polignac number, because 12368926081 - 211 = 12368924033 is a prime.

It is a super-2 number, since 2×123689260812 (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12368926001) 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 as a sum of consecutive naturals, namely, 6184463040 + 6184463041.

It is an arithmetic number, because the mean of its divisors is an integer number (6184463041).

Almost surely, 212368926081 is an apocalyptic number.

It is an amenable number.

12368926081 is a deficient number, since it is larger than the sum of its proper divisors (1).

12368926081 is an equidigital number, since it uses as much as digits as its factorization.

12368926081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 248832, while the sum is 46.

The spelling of 12368926081 in words is "twelve billion, three hundred sixty-eight million, nine hundred twenty-six thousand, eighty-one".