21300313132012 has 12 divisors (see below), whose sum is σ = 37978860207456. Its totient is φ = 10449210215600.

The previous prime is 21300313131973. The next prime is 21300313132027. The reversal of 21300313132012 is 21023131300312.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50236587364 + ... + 50236587787.

It is an arithmetic number, because the mean of its divisors is an integer number (3164905017288).

Almost surely, 2^{21300313132012} is an apocalyptic number.

It is an amenable number.

21300313132012 is a deficient number, since it is larger than the sum of its proper divisors (16678547075444).

21300313132012 is a wasteful number, since it uses less digits than its factorization.

21300313132012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100473175208 (or 100473175206 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 21300313132012 its reverse (21023131300312), we get a palindrome (42323444432324).

The spelling of 21300313132012 in words is "twenty-one trillion, three hundred billion, three hundred thirteen million, one hundred thirty-two thousand, twelve".