22202010012 has 96 divisors (see below), whose sum is σ = 63812030464. Its totient is φ = 5850662400.

The previous prime is 22202010011. The next prime is 22202010023. The reversal of 22202010012 is 21001020222.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a self number, because there is not a number n which added to its sum of digits gives 22202010012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22202010011) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 1434837 + ... + 1450227.

Almost surely, 2^22202010012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22202010012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31906015232).

22202010012 is an abundant number, since it is smaller than the sum of its proper divisors (41610020452).

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

22202010012 is a wasteful number, since it uses less digits than its factorization.

22202010012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16739 (or 16737 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 22202010012 its reverse (21001020222), we get a palindrome (43203030234).

The spelling of 22202010012 in words is "twenty-two billion, two hundred two million, ten thousand, twelve".