130442321252 has 12 divisors (see below), whose sum is σ = 228337268796. Its totient is φ = 65203101600.

The previous prime is 130442321237. The next prime is 130442321287. The reversal of 130442321252 is 252123244031.

It can be written as a sum of positive squares in 2 ways, for example, as 5956134976 + 124486186276 = 77176^2 + 352826^2 .

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, 4498499 + ... + 4527402.

It is an arithmetic number, because the mean of its divisors is an integer number (19028105733).

Almost surely, 2^130442321252 is an apocalyptic number.

It is an amenable number.

130442321252 is a deficient number, since it is larger than the sum of its proper divisors (97894947544).

130442321252 is a wasteful number, since it uses less digits than its factorization.

130442321252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9029518 (or 9029516 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 130442321252 its reverse (252123244031), we get a palindrome (382565565283).

The spelling of 130442321252 in words is "one hundred thirty billion, four hundred forty-two million, three hundred twenty-one thousand, two hundred fifty-two".