22000123122 has 16 divisors (see below), whose sum is σ = 44936422272. Its totient is φ = 7177345040.

The previous prime is 22000123111. The next prime is 22000123127. The reversal of 22000123122 is 22132100022.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (22000123127) 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, 39007029 + ... + 39007592.

It is an arithmetic number, because the mean of its divisors is an integer number (2808526392).

Almost surely, 2^22000123122 is an apocalyptic number.

22000123122 is an abundant number, since it is smaller than the sum of its proper divisors (22936299150).

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

22000123122 is a wasteful number, since it uses less digits than its factorization.

22000123122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78014673.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 22000123122 its reverse (22132100022), we get a palindrome (44132223144).

The spelling of 22000123122 in words is "twenty-two billion, one hundred twenty-three thousand, one hundred twenty-two".