12430778193471 has 16 divisors (see below), whose sum is σ = 18095137504128. Its totient is φ = 7527969304800.

The previous prime is 12430778193469. The next prime is 12430778193527. The reversal of 12430778193471 is 17439187703421.

It is not a de Polignac number, because 12430778193471 - 2¹ = 12430778193469 is a prime.

It is a super-3 number, since 3×12430778193471³ (a number of 40 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12430778193401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145848276 + ... + 145933481.

It is an arithmetic number, because the mean of its divisors is an integer number (1130946094008).

Almost surely, 2^{12430778193471} is an apocalyptic number.

12430778193471 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12430778193471 is a deficient number, since it is larger than the sum of its proper divisors (5664359310657).

12430778193471 is a wasteful number, since it uses less digits than its factorization.

12430778193471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291783062.

The product of its (nonzero) digits is 7112448, while the sum is 57.

The spelling of 12430778193471 in words is "twelve trillion, four hundred thirty billion, seven hundred seventy-eight million, one hundred ninety-three thousand, four hundred seventy-one".