12348484721 has 2 divisors, whose sum is σ = 12348484722. Its totient is φ = 12348484720.

The previous prime is 12348484717. The next prime is 12348484777. The reversal of 12348484721 is 12748484321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10300017121 + 2048467600 = 101489^2 + 45260^2 .

It is a cyclic number.

It is not a de Polignac number, because 12348484721 - 2² = 12348484717 is a prime.

It is not a weakly prime, because it can be changed into another prime (12348480721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6174242360 + 6174242361.

It is an arithmetic number, because the mean of its divisors is an integer number (6174242361).

Almost surely, 2^12348484721 is an apocalyptic number.

It is an amenable number.

12348484721 is a deficient number, since it is larger than the sum of its proper divisors (1).

12348484721 is an equidigital number, since it uses as much as digits as its factorization.

12348484721 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 344064, while the sum is 44.

The spelling of 12348484721 in words is "twelve billion, three hundred forty-eight million, four hundred eighty-four thousand, seven hundred twenty-one".