104450212010521 has 8 divisors (see below), whose sum is σ = 112538689996040. Its totient is φ = 96369426352512.

The previous prime is 104450212010513. The next prime is 104450212010533. The reversal of 104450212010521 is 125010212054401.

It can be written as a sum of positive squares in 4 ways, for example, as 536755508496 + 103913456502025 = 732636^2 + 10193795^2 .

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 104450212010521 - 2³ = 104450212010513 is a prime.

It is a super-2 number, since 2×104450212010521² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 104450212010521.

It is not an unprimeable number, because it can be changed into a prime (104450212010021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1923053670 + ... + 1923107983.

It is an arithmetic number, because the mean of its divisors is an integer number (14067336249505).

Almost surely, 2^{104450212010521} is an apocalyptic number.

It is an amenable number.

104450212010521 is a deficient number, since it is larger than the sum of its proper divisors (8088477985519).

104450212010521 is a wasteful number, since it uses less digits than its factorization.

104450212010521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3846163755.

The product of its (nonzero) digits is 3200, while the sum is 28.

Adding to 104450212010521 its reverse (125010212054401), we get a palindrome (229460424064922).

The spelling of 104450212010521 in words is "one hundred four trillion, four hundred fifty billion, two hundred twelve million, ten thousand, five hundred twenty-one".