20112130331222 has 16 divisors (see below), whose sum is σ = 30665527495200. Its totient is φ = 9891598325952.

The previous prime is 20112130331201. The next prime is 20112130331239. The reversal of 20112130331222 is 22213303121102.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 327592463 + ... + 327653850.

It is an arithmetic number, because the mean of its divisors is an integer number (1916595468450).

Almost surely, 2^{20112130331222} is an apocalyptic number.

20112130331222 is a deficient number, since it is larger than the sum of its proper divisors (10553397163978).

20112130331222 is a wasteful number, since it uses less digits than its factorization.

20112130331222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655246567.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 20112130331222 its reverse (22213303121102), we get a palindrome (42325433452324).

The spelling of 20112130331222 in words is "twenty trillion, one hundred twelve billion, one hundred thirty million, three hundred thirty-one thousand, two hundred twenty-two".