20112240312222 has 32 divisors (see below), whose sum is σ = 40274073942048. Its totient is φ = 6695819559936.

The previous prime is 20112240312193. The next prime is 20112240312247. The reversal of 20112240312222 is 22221304221102.

It is a junction number, because it is equal to n+sod(n) for n = 20112240312192 and 20112240312201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15479608 + ... + 16728500.

It is an arithmetic number, because the mean of its divisors is an integer number (1258564810689).

Almost surely, 2^{20112240312222} is an apocalyptic number.

20112240312222 is an abundant number, since it is smaller than the sum of its proper divisors (20161833629826).

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

20112240312222 is a wasteful number, since it uses less digits than its factorization.

20112240312222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1252204.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 20112240312222 its reverse (22221304221102), we get a palindrome (42333544533324).

The spelling of 20112240312222 in words is "twenty trillion, one hundred twelve billion, two hundred forty million, three hundred twelve thousand, two hundred twenty-two".