130243212 has 36 divisors (see below), whose sum is σ = 359156616. Its totient is φ = 39467520.

The previous prime is 130243193. The next prime is 130243241. The reversal of 130243212 is 212342031.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 164053 + ... + 164844.

Almost surely, 2^130243212 is an apocalyptic number.

130243212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

130243212 is an abundant number, since it is smaller than the sum of its proper divisors (228913404).

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

130243212 is a wasteful number, since it uses less digits than its factorization.

130243212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328918 (or 328913 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 130243212 is about 11412.4148189592. The cubic root of 130243212 is about 506.8954185980.

Adding to 130243212 its reverse (212342031), we get a palindrome (342585243).

It can be divided in two parts, 130 and 243212, that added together give a palindrome (243342).

The spelling of 130243212 in words is "one hundred thirty million, two hundred forty-three thousand, two hundred twelve".