24020321212 has 12 divisors (see below), whose sum is σ = 42148260616. Its totient is φ = 11977961040.

The previous prime is 24020321209. The next prime is 24020321257. The reversal of 24020321212 is 21212302042.

It is a super-2 number, since 2×24020321212² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 24020321212.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8048214 + ... + 8051197.

Almost surely, 2^24020321212 is an apocalyptic number.

It is an amenable number.

24020321212 is a deficient number, since it is larger than the sum of its proper divisors (18127939404).

24020321212 is a wasteful number, since it uses less digits than its factorization.

24020321212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16099788 (or 16099786 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 24020321212 its reverse (21212302042), we get a palindrome (45232623254).

The spelling of 24020321212 in words is "twenty-four billion, twenty million, three hundred twenty-one thousand, two hundred twelve".