130440304012221 has 32 divisors (see below), whose sum is σ = 220852492369920. Its totient is φ = 74536916982192.

The previous prime is 130440304012217. The next prime is 130440304012259. The reversal of 130440304012221 is 122210403044031.

130440304012221 is a `hidden beast` number, since 1 + 3 + 0 + 4 + 4 + 0 + 30 + 401 + 2 + 221 = 666.

It is not a de Polignac number, because 130440304012221 - 2² = 130440304012217 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130440304012201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35485876 + ... + 38988818.

It is an arithmetic number, because the mean of its divisors is an integer number (6901640386560).

Almost surely, 2^{130440304012221} is an apocalyptic number.

It is an amenable number.

130440304012221 is a deficient number, since it is larger than the sum of its proper divisors (90412188357699).

130440304012221 is a wasteful number, since it uses less digits than its factorization.

130440304012221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3699982 (or 3699976 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 130440304012221 its reverse (122210403044031), we get a palindrome (252650707056252).

The spelling of 130440304012221 in words is "one hundred thirty trillion, four hundred forty billion, three hundred four million, twelve thousand, two hundred twenty-one".