120012008128 has 14 divisors (see below), whose sum is σ = 238148828756. Its totient is φ = 60006004032.

The previous prime is 120012008089. The next prime is 120012008143. The reversal of 120012008128 is 821800210021.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 937593750 + ... + 937593877.

Almost surely, 2^120012008128 is an apocalyptic number.

It is an amenable number.

120012008128 is a deficient number, since it is larger than the sum of its proper divisors (118136820628).

120012008128 is an equidigital number, since it uses as much as digits as its factorization.

120012008128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1875187639 (or 1875187629 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 25.

Adding to 120012008128 its reverse (821800210021), we get a palindrome (941812218149).

The spelling of 120012008128 in words is "one hundred twenty billion, twelve million, eight thousand, one hundred twenty-eight".