12000000120 has 64 divisors (see below), whose sum is σ = 38117653920. Its totient is φ = 3011764224.

The previous prime is 12000000091. The next prime is 12000000139. The reversal of 12000000120 is 2100000021.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (6).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is a junction number, because it is equal to n+sod(n) for n = 12000000099 and 12000000108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2939137 + ... + 2943216.

Almost surely, 2^12000000120 is an apocalyptic number.

12000000120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12000000120 is an abundant number, since it is smaller than the sum of its proper divisors (26117653800).

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

12000000120 is a wasteful number, since it uses less digits than its factorization.

12000000120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5882384 (or 5882380 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 6.

Adding to 12000000120 its reverse (2100000021), we get a palindrome (14100000141).

Subtracting from 12000000120 its reverse (2100000021), we obtain a palindrome (9900000099).

It can be divided in two parts, 120000001 and 20, that added together give a palindrome (120000021).

The spelling of 12000000120 in words is "twelve billion, one hundred twenty", and thus it is an aban number.