12988338811431 has 12 divisors (see below), whose sum is σ = 18277219159992. Its totient is φ = 8203161353904.

The previous prime is 12988338811417. The next prime is 12988338811439. The reversal of 12988338811431 is 13411883388921.

It is not a de Polignac number, because 12988338811431 - 2³¹ = 12986191327783 is a prime.

It is a super-2 number, since 2×12988338811431² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12988338811439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5996461896 + ... + 5996464061.

It is an arithmetic number, because the mean of its divisors is an integer number (1523101596666).

Almost surely, 2^{12988338811431} is an apocalyptic number.

12988338811431 is a deficient number, since it is larger than the sum of its proper divisors (5288880348561).

12988338811431 is a wasteful number, since it uses less digits than its factorization.

12988338811431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11992925998 (or 11992925979 counting only the distinct ones).

The product of its digits is 7962624, while the sum is 60.

The spelling of 12988338811431 in words is "twelve trillion, nine hundred eighty-eight billion, three hundred thirty-eight million, eight hundred eleven thousand, four hundred thirty-one".