22022111222012 has 24 divisors (see below), whose sum is σ = 42363145262592. Its totient is φ = 9933637953200.

The previous prime is 22022111221967. The next prime is 22022111222029. The reversal of 22022111222012 is 21022211122022.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 1910309228 + ... + 1910320755.

It is an arithmetic number, because the mean of its divisors is an integer number (1765131052608).

Almost surely, 2^{22022111222012} is an apocalyptic number.

22022111222012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22022111222012 is a deficient number, since it is larger than the sum of its proper divisors (20341034040580).

22022111222012 is a wasteful number, since it uses less digits than its factorization.

22022111222012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3820630129 (or 3820630127 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 22022111222012 its reverse (21022211122022), we get a palindrome (43044322344034).

The spelling of 22022111222012 in words is "twenty-two trillion, twenty-two billion, one hundred eleven million, two hundred twenty-two thousand, twelve".