12130154112 has 32 divisors (see below), whose sum is σ = 32220722880. Its totient is φ = 4043384576.

The previous prime is 12130154093. The next prime is 12130154119. The reversal of 12130154112 is 21145103121.

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (12130154119) 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, 15794088 + ... + 15794855.

It is an arithmetic number, because the mean of its divisors is an integer number (1006897590).

Almost surely, 2^12130154112 is an apocalyptic number.

12130154112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12130154112 is an abundant number, since it is smaller than the sum of its proper divisors (20090568768).

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

12130154112 is an equidigital number, since it uses as much as digits as its factorization.

12130154112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31588960 (or 31588948 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 21.

Adding to 12130154112 its reverse (21145103121), we get a palindrome (33275257233).

The spelling of 12130154112 in words is "twelve billion, one hundred thirty million, one hundred fifty-four thousand, one hundred twelve".