12431330678 has 16 divisors (see below), whose sum is σ = 21138295920. Its totient is φ = 5435561376.

The previous prime is 12431330641. The next prime is 12431330689. The reversal of 12431330678 is 87603313421.

It is a super-3 number, since 3×12431330678³ (a number of 31 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12581825 + ... + 12582812.

It is an arithmetic number, because the mean of its divisors is an integer number (1321143495).

Almost surely, 2^12431330678 is an apocalyptic number.

12431330678 is a deficient number, since it is larger than the sum of its proper divisors (8706965242).

12431330678 is a wasteful number, since it uses less digits than its factorization.

12431330678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25164671.

The product of its (nonzero) digits is 72576, while the sum is 38.

The spelling of 12431330678 in words is "twelve billion, four hundred thirty-one million, three hundred thirty thousand, six hundred seventy-eight".