20224312012 has 6 divisors (see below), whose sum is σ = 35392546028. Its totient is φ = 10112156004.

The previous prime is 20224311983. The next prime is 20224312037. The reversal of 20224312012 is 21021342202.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 2528038998 + ... + 2528039005.

Almost surely, 2^20224312012 is an apocalyptic number.

It is an amenable number.

20224312012 is a deficient number, since it is larger than the sum of its proper divisors (15168234016).

20224312012 is a wasteful number, since it uses less digits than its factorization.

20224312012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5056078007 (or 5056078005 counting only the distinct ones).

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

Adding to 20224312012 its reverse (21021342202), we get a palindrome (41245654214).

The spelling of 20224312012 in words is "twenty billion, two hundred twenty-four million, three hundred twelve thousand, twelve".