12400232069 has 2 divisors, whose sum is σ = 12400232070. Its totient is φ = 12400232068.

The previous prime is 12400232063. The next prime is 12400232083. The reversal of 12400232069 is 96023200421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12146244100 + 253987969 = 110210^2 + 15937^2 .

It is a cyclic number.

It is not a de Polignac number, because 12400232069 - 2⁸ = 12400231813 is a prime.

It is a super-2 number, since 2×12400232069² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12400232063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6200116034 + 6200116035.

It is an arithmetic number, because the mean of its divisors is an integer number (6200116035).

Almost surely, 2^12400232069 is an apocalyptic number.

It is an amenable number.

12400232069 is a deficient number, since it is larger than the sum of its proper divisors (1).

12400232069 is an equidigital number, since it uses as much as digits as its factorization.

12400232069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 29.

The spelling of 12400232069 in words is "twelve billion, four hundred million, two hundred thirty-two thousand, sixty-nine".