21030212330302 has 8 divisors (see below), whose sum is σ = 36051792566256. Its totient is φ = 9012948141552.

The previous prime is 21030212330249. The next prime is 21030212330353. The reversal of 21030212330302 is 20303321203012.

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

It is a super-2 number, since 2×21030212330302² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

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, 751079011783 + ... + 751079011810.

It is an arithmetic number, because the mean of its divisors is an integer number (4506474070782).

Almost surely, 2^{21030212330302} is an apocalyptic number.

21030212330302 is a deficient number, since it is larger than the sum of its proper divisors (15021580235954).

21030212330302 is a wasteful number, since it uses less digits than its factorization.

21030212330302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1502158023602.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 21030212330302 its reverse (20303321203012), we get a palindrome (41333533533314).

The spelling of 21030212330302 in words is "twenty-one trillion, thirty billion, two hundred twelve million, three hundred thirty thousand, three hundred two".