130321343412 has 144 divisors (see below), whose sum is σ = 367459769040. Its totient is φ = 38667331584.

The previous prime is 130321343401. The next prime is 130321343429. The reversal of 130321343412 is 214343123031.

It is a happy number.

130321343412 is a `hidden beast` number, since 1 + 3 + 0 + 3 + 213 + 434 + 12 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 8678040336 + 121643303076 = 93156^2 + 348774^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11571288 + ... + 11582544.

Almost surely, 2^130321343412 is an apocalyptic number.

130321343412 is a gapful number since it is divisible by the number (12) 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 130321343412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (183729884520).

130321343412 is an abundant number, since it is smaller than the sum of its proper divisors (237138425628).

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

130321343412 is a wasteful number, since it uses less digits than its factorization.

130321343412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12162 (or 12157 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 130321343412 its reverse (214343123031), we get a palindrome (344664466443).

The spelling of 130321343412 in words is "one hundred thirty billion, three hundred twenty-one million, three hundred forty-three thousand, four hundred twelve".