21330212132130 has 64 divisors (see below), whose sum is σ = 56399308062336. Its totient is φ = 5119762880000.

The previous prime is 21330212132123. The next prime is 21330212132213. The reversal of 21330212132130 is 3123121203312.

It is a self number, because there is not a number n which added to its sum of digits gives 21330212132130.

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 31 ways as a sum of consecutive naturals, for example, 319951851 + ... + 320018510.

It is an arithmetic number, because the mean of its divisors is an integer number (881239188474).

Almost surely, 2^{21330212132130} is an apocalyptic number.

21330212132130 is an abundant number, since it is smaller than the sum of its proper divisors (35069095930206).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21330212132130 is a wasteful number, since it uses less digits than its factorization.

21330212132130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 639970483.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 21330212132130 its reverse (3123121203312), we get a palindrome (24453333335442).

The spelling of 21330212132130 in words is "twenty-one trillion, three hundred thirty billion, two hundred twelve million, one hundred thirty-two thousand, one hundred thirty".