21302312001302 has 16 divisors (see below), whose sum is σ = 33636024688560. Its totient is φ = 10090330278912.

The previous prime is 21302312001247. The next prime is 21302312001331. The reversal of 21302312001302 is 20310021320312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4993103 + ... + 8218010.

It is an arithmetic number, because the mean of its divisors is an integer number (2102251543035).

Almost surely, 2^{21302312001302} is an apocalyptic number.

21302312001302 is a deficient number, since it is larger than the sum of its proper divisors (12333712687258).

21302312001302 is a wasteful number, since it uses less digits than its factorization.

21302312001302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13253567.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 21302312001302 its reverse (20310021320312), we get a palindrome (41612333321614).

The spelling of 21302312001302 in words is "twenty-one trillion, three hundred two billion, three hundred twelve million, one thousand, three hundred two".