12120020130 has 64 divisors (see below), whose sum is σ = 29617228800. Its totient is φ = 3173342400.

The previous prime is 12120020123. The next prime is 12120020147. The reversal of 12120020130 is 3102002121.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1622905 + ... + 1630355.

It is an arithmetic number, because the mean of its divisors is an integer number (462769200).

Almost surely, 2^12120020130 is an apocalyptic number.

12120020130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12120020130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14808614400).

12120020130 is an abundant number, since it is smaller than the sum of its proper divisors (17497208670).

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

12120020130 is a wasteful number, since it uses less digits than its factorization.

12120020130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8439.

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

Adding to 12120020130 its reverse (3102002121), we get a palindrome (15222022251).

The spelling of 12120020130 in words is "twelve billion, one hundred twenty million, twenty thousand, one hundred thirty".