12146314409 has 2 divisors, whose sum is σ = 12146314410. Its totient is φ = 12146314408.

The previous prime is 12146314351. The next prime is 12146314459. The reversal of 12146314409 is 90441364121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10521015184 + 1625299225 = 102572^2 + 40315^2 .

It is a cyclic number.

It is not a de Polignac number, because 12146314409 - 2⁸ = 12146314153 is a prime.

It is not a weakly prime, because it can be changed into another prime (12146314459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6073157204 + 6073157205.

It is an arithmetic number, because the mean of its divisors is an integer number (6073157205).

Almost surely, 2^12146314409 is an apocalyptic number.

It is an amenable number.

12146314409 is a deficient number, since it is larger than the sum of its proper divisors (1).

12146314409 is an equidigital number, since it uses as much as digits as its factorization.

12146314409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 35.

The spelling of 12146314409 in words is "twelve billion, one hundred forty-six million, three hundred fourteen thousand, four hundred nine".