21343122134312 has 64 divisors (see below), whose sum is σ = 43828416230400. Its totient is φ = 9663263064000.

The previous prime is 21343122134297. The next prime is 21343122134333.

21343122134312 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23022887 + ... + 23931977.

It is an arithmetic number, because the mean of its divisors is an integer number (684819003600).

Almost surely, 2^{21343122134312} is an apocalyptic number.

21343122134312 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

21343122134312 is an abundant number, since it is smaller than the sum of its proper divisors (22485294096088).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21343122134312 is a wasteful number, since it uses less digits than its factorization.

21343122134312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 910158 (or 910154 counting only the distinct ones).

The product of its digits is 20736, while the sum is 32.

It can be divided in two parts, 2134312 and 2134312, that added together give a palindrome (4268624).

The spelling of 21343122134312 in words is "twenty-one trillion, three hundred forty-three billion, one hundred twenty-two million, one hundred thirty-four thousand, three hundred twelve".