21302203100012 has 24 divisors (see below), whose sum is σ = 37338120244656. Its totient is φ = 10634176300608.

The previous prime is 21302203099993. The next prime is 21302203100027. The reversal of 21302203100012 is 21000130220312.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10361243 + ... + 12245805.

It is an arithmetic number, because the mean of its divisors is an integer number (1555755010194).

Almost surely, 2^{21302203100012} is an apocalyptic number.

It is an amenable number.

21302203100012 is a deficient number, since it is larger than the sum of its proper divisors (16035917144644).

21302203100012 is a wasteful number, since it uses less digits than its factorization.

21302203100012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1889057 (or 1889055 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 21302203100012 its reverse (21000130220312), we get a palindrome (42302333320324).

The spelling of 21302203100012 in words is "twenty-one trillion, three hundred two billion, two hundred three million, one hundred thousand, twelve".