130012240 has 20 divisors (see below), whose sum is σ = 302278644. Its totient is φ = 52004864.

The previous prime is 130012229. The next prime is 130012283. The reversal of 130012240 is 42210031.

It can be written as a sum of positive squares in 2 ways, for example, as 98247744 + 31764496 = 9912^2 + 5636^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a self number, because there is not a number n which added to its sum of digits gives 130012240.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 812497 + ... + 812656.

Almost surely, 2^130012240 is an apocalyptic number.

130012240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130012240 is an abundant number, since it is smaller than the sum of its proper divisors (172266404).

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

130012240 is a wasteful number, since it uses less digits than its factorization.

130012240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1625166 (or 1625160 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 130012240 is about 11402.2909978653. The cubic root of 130012240 is about 506.5956002202.

Adding to 130012240 its reverse (42210031), we get a palindrome (172222271).

The spelling of 130012240 in words is "one hundred thirty million, twelve thousand, two hundred forty".