20112231300122 has 128 divisors (see below), whose sum is σ = 33379270041600. Its totient is φ = 9032769446400.

The previous prime is 20112231300121. The next prime is 20112231300127. The reversal of 20112231300122 is 22100313221102.

It is a junction number, because it is equal to n+sod(n) for n = 20112231300094 and 20112231300103.

It is not an unprimeable number, because it can be changed into a prime (20112231300121) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 40961774297 + ... + 40961774787.

It is an arithmetic number, because the mean of its divisors is an integer number (260775547200).

Almost surely, 2^{20112231300122} is an apocalyptic number.

20112231300122 is a deficient number, since it is larger than the sum of its proper divisors (13267038741478).

20112231300122 is a wasteful number, since it uses less digits than its factorization.

20112231300122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1452.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 20112231300122 its reverse (22100313221102), we get a palindrome (42212544521224).

The spelling of 20112231300122 in words is "twenty trillion, one hundred twelve billion, two hundred thirty-one million, three hundred thousand, one hundred twenty-two".