12130210420 has 12 divisors (see below), whose sum is σ = 25473441924. Its totient is φ = 4852084160.

The previous prime is 12130210409. The next prime is 12130210423. The reversal of 12130210420 is 2401203121.

It can be written as a sum of positive squares in 2 ways, for example, as 1848656016 + 10281554404 = 42996^2 + 101398^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12130210394 and 12130210403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12130210423) 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, 303255241 + ... + 303255280.

It is an arithmetic number, because the mean of its divisors is an integer number (2122786827).

Almost surely, 2^12130210420 is an apocalyptic number.

12130210420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12130210420 is an abundant number, since it is smaller than the sum of its proper divisors (13343231504).

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

12130210420 is a wasteful number, since it uses less digits than its factorization.

12130210420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 606510530 (or 606510528 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 12130210420 its reverse (2401203121), we get a palindrome (14531413541).

The spelling of 12130210420 in words is "twelve billion, one hundred thirty million, two hundred ten thousand, four hundred twenty".