12938120128 has 14 divisors (see below), whose sum is σ = 25674082256. Its totient is φ = 6469060032.

The previous prime is 12938120119. The next prime is 12938120197. The reversal of 12938120128 is 82102183921.

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, 101079000 + ... + 101079127.

Almost surely, 2^12938120128 is an apocalyptic number.

It is an amenable number.

12938120128 is a deficient number, since it is larger than the sum of its proper divisors (12735962128).

12938120128 is an equidigital number, since it uses as much as digits as its factorization.

12938120128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202158139 (or 202158129 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 37.

The spelling of 12938120128 in words is "twelve billion, nine hundred thirty-eight million, one hundred twenty thousand, one hundred twenty-eight".