12431238577782 has 8 divisors (see below), whose sum is σ = 24862477155576. Its totient is φ = 4143746192592.

The previous prime is 12431238577759. The next prime is 12431238577789. The reversal of 12431238577782 is 28777583213421.

It is a sphenic number, since it is the product of 3 distinct primes.

12431238577782 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12431238577789) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1035936548143 + ... + 1035936548154.

It is an arithmetic number, because the mean of its divisors is an integer number (3107809644447).

Almost surely, 2^{12431238577782} is an apocalyptic number.

12431238577782 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12431238577782 is a wasteful number, since it uses less digits than its factorization.

12431238577782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2071873096302.

The product of its digits is 31610880, while the sum is 60.

The spelling of 12431238577782 in words is "twelve trillion, four hundred thirty-one billion, two hundred thirty-eight million, five hundred seventy-seven thousand, seven hundred eighty-two".