130343440212 has 18 divisors (see below), whose sum is σ = 329479251738. Its totient is φ = 43447813392.

The previous prime is 130343440207. The next prime is 130343440237. The reversal of 130343440212 is 212044343031.

130343440212 is a `hidden beast` number, since 1 + 3 + 0 + 3 + 4 + 3 + 440 + 212 = 666.

It can be written as a sum of positive squares in only one way, i.e., 97235454276 + 33107985936 = 311826^2 + 181956^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1810325523 + ... + 1810325594.

Almost surely, 2^130343440212 is an apocalyptic number.

130343440212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

130343440212 is an abundant number, since it is smaller than the sum of its proper divisors (199135811526).

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

130343440212 is a wasteful number, since it uses less digits than its factorization.

130343440212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3620651127 (or 3620651122 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 130343440212 its reverse (212044343031), we get a palindrome (342387783243).

The spelling of 130343440212 in words is "one hundred thirty billion, three hundred forty-three million, four hundred forty thousand, two hundred twelve".