22002122210012 has 24 divisors (see below), whose sum is σ = 44019371514720. Its totient is φ = 9426239426880.

The previous prime is 22002122209937. The next prime is 22002122210017. The reversal of 22002122210012 is 21001222120022.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22002122210017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134980439 + ... + 135143342.

It is an arithmetic number, because the mean of its divisors is an integer number (1834140479780).

Almost surely, 2^{22002122210012} is an apocalyptic number.

It is an amenable number.

22002122210012 is an abundant number, since it is smaller than the sum of its proper divisors (22017249304708).

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

22002122210012 is a wasteful number, since it uses less digits than its factorization.

22002122210012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270126701 (or 270126699 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 22002122210012 its reverse (21001222120022), we get a palindrome (43003344330034).

The spelling of 22002122210012 in words is "twenty-two trillion, two billion, one hundred twenty-two million, two hundred ten thousand, twelve".