22213000012 has 48 divisors (see below), whose sum is σ = 44876849472. Its totient is φ = 9423728640.

The previous prime is 22213000009. The next prime is 22213000027. The reversal of 22213000012 is 21000031222.

It is a super-2 number, since 2×22213000012² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22212999956 and 22213000001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1118812 + ... + 1138492.

It is an arithmetic number, because the mean of its divisors is an integer number (934934364).

Almost surely, 2^22213000012 is an apocalyptic number.

It is an amenable number.

22213000012 is an abundant number, since it is smaller than the sum of its proper divisors (22663849460).

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

22213000012 is a wasteful number, since it uses less digits than its factorization.

22213000012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20098 (or 20096 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 22213000012 its reverse (21000031222), we get a palindrome (43213031234).

The spelling of 22213000012 in words is "twenty-two billion, two hundred thirteen million, twelve", and thus it is an aban number.