21030330123298 has 16 divisors (see below), whose sum is σ = 32422888786680. Its totient is φ = 10226574230400.

The previous prime is 21030330123293. The next prime is 21030330123331. The reversal of 21030330123298 is 89232103303012.

It can be written as a sum of positive squares in 4 ways, for example, as 15837797186929 + 5192532936369 = 3979673^2 + 2278713^2 .

It is not an unprimeable number, because it can be changed into a prime (21030330123293) 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, 968414733 + ... + 968436448.

Almost surely, 2^{21030330123298} is an apocalyptic number.

21030330123298 is a deficient number, since it is larger than the sum of its proper divisors (11392558663382).

21030330123298 is a wasteful number, since it uses less digits than its factorization.

21030330123298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1936851333.

The product of its (nonzero) digits is 46656, while the sum is 37.

The spelling of 21030330123298 in words is "twenty-one trillion, thirty billion, three hundred thirty million, one hundred twenty-three thousand, two hundred ninety-eight".