21031333313012 has 12 divisors (see below), whose sum is σ = 40150727234016. Its totient is φ = 9559696960440.

The previous prime is 21031333312993. The next prime is 21031333313033.

21031333313012 is nontrivially palindromic in base 10.

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, 238992423968 + ... + 238992424055.

It is an arithmetic number, because the mean of its divisors is an integer number (3345893936168).

Almost surely, 2^{21031333313012} is an apocalyptic number.

21031333313012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

21031333313012 is a deficient number, since it is larger than the sum of its proper divisors (19119393921004).

21031333313012 is a wasteful number, since it uses less digits than its factorization.

21031333313012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477984848038 (or 477984848036 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 26.

It can be divided in two parts, 2103133 and 3313012, that added together give a palindrome (5416145).

The spelling of 21031333313012 in words is "twenty-one trillion, thirty-one billion, three hundred thirty-three million, three hundred thirteen thousand, twelve".