120012512628 has 12 divisors (see below), whose sum is σ = 280029196160. Its totient is φ = 40004170872.

The previous prime is 120012512623. The next prime is 120012512629. The reversal of 120012512628 is 826215210021.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 120012512595 and 120012512604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120012512623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5000521348 + ... + 5000521371.

Almost surely, 2^120012512628 is an apocalyptic number.

It is an amenable number.

120012512628 is an abundant number, since it is smaller than the sum of its proper divisors (160016683532).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

120012512628 is a wasteful number, since it uses less digits than its factorization.

120012512628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10001042726 (or 10001042724 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 30.

Adding to 120012512628 its reverse (826215210021), we get a palindrome (946227722649).

The spelling of 120012512628 in words is "one hundred twenty billion, twelve million, five hundred twelve thousand, six hundred twenty-eight".