21030330123297 has 12 divisors (see below), whose sum is σ = 33138702012624. Its totient is φ = 12745654620120.

The previous prime is 21030330123293. The next prime is 21030330123331. The reversal of 21030330123297 is 79232103303012.

21030330123297 is a `hidden beast` number, since 2 + 1 + 0 + 3 + 0 + 330 + 1 + 232 + 97 = 666.

It is not a de Polignac number, because 21030330123297 - 2² = 21030330123293 is a prime.

It is a super-2 number, since 2×21030330123297² (a number of 27 digits) contains 22 as substring.

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 11 ways as a sum of consecutive naturals, for example, 106213788403 + ... + 106213788600.

It is an arithmetic number, because the mean of its divisors is an integer number (2761558501052).

Almost surely, 2^{21030330123297} is an apocalyptic number.

It is an amenable number.

21030330123297 is a deficient number, since it is larger than the sum of its proper divisors (12108371889327).

21030330123297 is a wasteful number, since it uses less digits than its factorization.

21030330123297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212427577020 (or 212427577017 counting only the distinct ones).

The product of its (nonzero) digits is 40824, while the sum is 36.

The spelling of 21030330123297 in words is "twenty-one trillion, thirty billion, three hundred thirty million, one hundred twenty-three thousand, two hundred ninety-seven".