22312340012 has 12 divisors (see below), whose sum is σ = 39058621056. Its totient is φ = 11152734000.

The previous prime is 22312339999. The next prime is 22312340021. The reversal of 22312340012 is 21004321322.

It is a super-3 number, since 3×22312340012³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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 in 3 ways as a sum of consecutive naturals, for example, 844364 + ... + 870387.

It is an arithmetic number, because the mean of its divisors is an integer number (3254885088).

Almost surely, 2^22312340012 is an apocalyptic number.

It is an amenable number.

22312340012 is a deficient number, since it is larger than the sum of its proper divisors (16746281044).

22312340012 is a wasteful number, since it uses less digits than its factorization.

22312340012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1718008 (or 1718006 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 22312340012 its reverse (21004321322), we get a palindrome (43316661334).

The spelling of 22312340012 in words is "twenty-two billion, three hundred twelve million, three hundred forty thousand, twelve".