12134561407 has 2 divisors, whose sum is σ = 12134561408. Its totient is φ = 12134561406.

The previous prime is 12134561401. The next prime is 12134561423. The reversal of 12134561407 is 70416543121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12134561407 - 2³¹ = 9987077759 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12134561401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6067280703 + 6067280704.

It is an arithmetic number, because the mean of its divisors is an integer number (6067280704).

Almost surely, 2^12134561407 is an apocalyptic number.

12134561407 is a deficient number, since it is larger than the sum of its proper divisors (1).

12134561407 is an equidigital number, since it uses as much as digits as its factorization.

12134561407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20160, while the sum is 34.

The spelling of 12134561407 in words is "twelve billion, one hundred thirty-four million, five hundred sixty-one thousand, four hundred seven".