21333243314212 has 12 divisors (see below), whose sum is σ = 37337139468720. Its totient is φ = 10665489180296.

The previous prime is 21333243314189. The next prime is 21333243314219. The reversal of 21333243314212 is 21241334233312.

It is a super-2 number, since 2×21333243314212² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (21333243314219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 283076818 + ... + 283152169.

It is an arithmetic number, because the mean of its divisors is an integer number (3111428289060).

Almost surely, 2^{21333243314212} is an apocalyptic number.

It is an amenable number.

21333243314212 is a deficient number, since it is larger than the sum of its proper divisors (16003896154508).

21333243314212 is a wasteful number, since it uses less digits than its factorization.

21333243314212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 566238410 (or 566238408 counting only the distinct ones).

The product of its digits is 62208, while the sum is 34.

Adding to 21333243314212 its reverse (21241334233312), we get a palindrome (42574577547524).

The spelling of 21333243314212 in words is "twenty-one trillion, three hundred thirty-three billion, two hundred forty-three million, three hundred fourteen thousand, two hundred twelve".