130012344 has 128 divisors (see below), whose sum is σ = 450316800. Its totient is φ = 33765120.

The previous prime is 130012303. The next prime is 130012373. The reversal of 130012344 is 443210031.

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

It is a congruent number.

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, 12724 + ... + 20540.

It is an arithmetic number, because the mean of its divisors is an integer number (3518100).

Almost surely, 2^130012344 is an apocalyptic number.

130012344 is a gapful number since it is divisible by the number (14) 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 130012344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (225158400).

130012344 is an abundant number, since it is smaller than the sum of its proper divisors (320304456).

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

130012344 is a wasteful number, since it uses less digits than its factorization.

130012344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7850 (or 7840 counting only the distinct ones).

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

The square root of 130012344 is about 11402.2955583514. The cubic root of 130012344 is about 506.5957352996.

Adding to 130012344 its reverse (443210031), we get a palindrome (573222375).

The spelling of 130012344 in words is "one hundred thirty million, twelve thousand, three hundred forty-four".