22013031012 has 24 divisors (see below), whose sum is σ = 58701416256. Its totient is φ = 6289437408.

The previous prime is 22013031011. The next prime is 22013031013. The reversal of 22013031012 is 21013031022.

It is an interprime number because it is at equal distance from previous prime (22013031011) and next prime (22013031013).

It is a junction number, because it is equal to n+sod(n) for n = 22013030982 and 22013031000.

It is not an unprimeable number, because it can be changed into a prime (22013031011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131029863 + ... + 131030030.

It is an arithmetic number, because the mean of its divisors is an integer number (2445892344).

Almost surely, 2^22013031012 is an apocalyptic number.

It is an amenable number.

22013031012 is an abundant number, since it is smaller than the sum of its proper divisors (36688385244).

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

22013031012 is a wasteful number, since it uses less digits than its factorization.

22013031012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262059907 (or 262059905 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 22013031012 its reverse (21013031022), we get a palindrome (43026062034).

The spelling of 22013031012 in words is "twenty-two billion, thirteen million, thirty-one thousand, twelve".