21433133133412 has 96 divisors (see below), whose sum is σ = 50879548742400. Its totient is φ = 7628753387520.

The previous prime is 21433133133361. The next prime is 21433133133439.

21433133133412 is nontrivially palindromic in base 10.

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 31 ways as a sum of consecutive naturals, for example, 27204037 + ... + 27980812.

It is an arithmetic number, because the mean of its divisors is an integer number (529995299400).

Almost surely, 2^{21433133133412} is an apocalyptic number.

21433133133412 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

21433133133412 is an abundant number, since it is smaller than the sum of its proper divisors (29446415608988).

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

21433133133412 is a wasteful number, since it uses less digits than its factorization.

21433133133412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55184981 (or 55184979 counting only the distinct ones).

The product of its digits is 46656, while the sum is 34.

It can be divided in two parts, 2143313 and 3133412, that added together give a palindrome (5276725).

The spelling of 21433133133412 in words is "twenty-one trillion, four hundred thirty-three billion, one hundred thirty-three million, one hundred thirty-three thousand, four hundred twelve".