130030123021 has 8 divisors (see below), whose sum is σ = 132168792888. Its totient is φ = 127891680000.

The previous prime is 130030122983. The next prime is 130030123123. The reversal of 130030123021 is 120321030031.

It can be written as a sum of positive squares in 4 ways, for example, as 624450121 + 129405672900 = 24989^2 + 359730^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 130030123021 - 2¹¹ = 130030120973 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 130030122986 and 130030123004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130030133021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1407081 + ... + 1496641.

It is an arithmetic number, because the mean of its divisors is an integer number (16521099111).

Almost surely, 2^130030123021 is an apocalyptic number.

It is an amenable number.

130030123021 is a deficient number, since it is larger than the sum of its proper divisors (2138669867).

130030123021 is an equidigital number, since it uses as much as digits as its factorization.

130030123021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113423.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 130030123021 its reverse (120321030031), we get a palindrome (250351153052).

The spelling of 130030123021 in words is "one hundred thirty billion, thirty million, one hundred twenty-three thousand, twenty-one".