20122112200122 has 48 divisors (see below), whose sum is σ = 43888686266880. Its totient is φ = 6662661366816.

The previous prime is 20122112200067. The next prime is 20122112200129. The reversal of 20122112200122 is 22100221122102.

It is a happy number.

20122112200122 is a `hidden beast` number, since 201 + 221 + 1 + 220 + 0 + 1 + 22 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 20122112200095 and 20122112200104.

It is not an unprimeable number, because it can be changed into a prime (20122112200129) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8432643 + ... + 10552425.

It is an arithmetic number, because the mean of its divisors is an integer number (914347630560).

Almost surely, 2^{20122112200122} is an apocalyptic number.

20122112200122 is an abundant number, since it is smaller than the sum of its proper divisors (23766574066758).

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

20122112200122 is a wasteful number, since it uses less digits than its factorization.

20122112200122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2123307 (or 2123304 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 20122112200122 its reverse (22100221122102), we get a palindrome (42222333322224).

The spelling of 20122112200122 in words is "twenty trillion, one hundred twenty-two billion, one hundred twelve million, two hundred thousand, one hundred twenty-two".