130212420 has 96 divisors (see below), whose sum is σ = 395794560. Its totient is φ = 31795200.

The previous prime is 130212413. The next prime is 130212443. The reversal of 130212420 is 24212031.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 130212420.

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, 107820 + ... + 109020.

It is an arithmetic number, because the mean of its divisors is an integer number (4122860).

Almost surely, 2^130212420 is an apocalyptic number.

130212420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 130212420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (197897280).

130212420 is an abundant number, since it is smaller than the sum of its proper divisors (265582140).

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

130212420 is a wasteful number, since it uses less digits than its factorization.

130212420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1365 (or 1363 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 130212420 is about 11411.0656820474. The cubic root of 130212420 is about 506.8554688412.

Adding to 130212420 its reverse (24212031), we get a palindrome (154424451).

The spelling of 130212420 in words is "one hundred thirty million, two hundred twelve thousand, four hundred twenty".