12120120030 has 32 divisors (see below), whose sum is σ = 29637127584. Its totient is φ = 3171049856.

The previous prime is 12120120011. The next prime is 12120120049. The reversal of 12120120030 is 3002102121.

It is an interprime number because it is at equal distance from previous prime (12120120011) and next prime (12120120049).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12120119988 and 12120120015.

It is a congruent number.

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 in 15 ways as a sum of consecutive naturals, for example, 3809769 + ... + 3812948.

It is an arithmetic number, because the mean of its divisors is an integer number (926160237).

Almost surely, 2^12120120030 is an apocalyptic number.

12120120030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12120120030 is an abundant number, since it is smaller than the sum of its proper divisors (17517007554).

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

12120120030 is a wasteful number, since it uses less digits than its factorization.

12120120030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7622780.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 12120120030 its reverse (3002102121), we get a palindrome (15122222151).

The spelling of 12120120030 in words is "twelve billion, one hundred twenty million, one hundred twenty thousand, thirty".