500021544312130 has 8 divisors (see below), whose sum is σ = 900038779761852. Its totient is φ = 200008617724848.

The previous prime is 500021544312107. The next prime is 500021544312151. The reversal of 500021544312130 is 31213445120005.

It can be written as a sum of positive squares in 2 ways, for example, as 475419954232129 + 24601590080001 = 21804127^2 + 4959999^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 500021544312092 and 500021544312101.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25001077215597 + ... + 25001077215616.

Almost surely, 2^{500021544312130} is an apocalyptic number.

500021544312130 is a deficient number, since it is larger than the sum of its proper divisors (400017235449722).

500021544312130 is a wasteful number, since it uses less digits than its factorization.

500021544312130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50002154431220.

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 500021544312130 its reverse (31213445120005), we get a palindrome (531234989432135).

The spelling of 500021544312130 in words is "five hundred trillion, twenty-one billion, five hundred forty-four million, three hundred twelve thousand, one hundred thirty".