12431308214678 has 4 divisors (see below), whose sum is σ = 18646962322020. Its totient is φ = 6215654107338.

The previous prime is 12431308214657. The next prime is 12431308214777. The reversal of 12431308214678 is 87641280313421.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3107827053668 + ... + 3107827053671.

It is an arithmetic number, because the mean of its divisors is an integer number (4661740580505).

Almost surely, 2^{12431308214678} is an apocalyptic number.

12431308214678 is a deficient number, since it is larger than the sum of its proper divisors (6215654107342).

12431308214678 is an equidigital number, since it uses as much as digits as its factorization.

12431308214678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6215654107341.

The product of its (nonzero) digits is 1548288, while the sum is 50.

The spelling of 12431308214678 in words is "twelve trillion, four hundred thirty-one billion, three hundred eight million, two hundred fourteen thousand, six hundred seventy-eight".