12435455999999 has 16 divisors (see below), whose sum is σ = 12694531896000. Its totient is φ = 12177296092416.

The previous prime is 12435455999969. The next prime is 12435456000007. The reversal of 12435455999999 is 99999955453421.

It is a cyclic number.

It is not a de Polignac number, because 12435455999999 - 2¹² = 12435455995903 is a prime.

It is a super-2 number, since 2×12435455999999² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12435455999969) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127351907 + ... + 127449515.

It is an arithmetic number, because the mean of its divisors is an integer number (793408243500).

Almost surely, 2^{12435455999999} is an apocalyptic number.

12435455999999 is a deficient number, since it is larger than the sum of its proper divisors (259075896001).

12435455999999 is an equidigital number, since it uses as much as digits as its factorization.

12435455999999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102274.

The product of its digits is 6377292000, while the sum is 83.

The spelling of 12435455999999 in words is "twelve trillion, four hundred thirty-five billion, four hundred fifty-five million, nine hundred ninety-nine thousand, nine hundred ninety-nine".