20123130322122 has 16 divisors (see below), whose sum is σ = 40248664037472. Its totient is φ = 6707309541840.

The previous prime is 20123130322109. The next prime is 20123130322129. The reversal of 20123130322122 is 22122303132102.

It is a super-2 number, since 2×20123130322122² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20123130322092 and 20123130322101.

It is not an unprimeable number, because it can be changed into a prime (20123130322129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100032529 + ... + 100233492.

It is an arithmetic number, because the mean of its divisors is an integer number (2515541502342).

Almost surely, 2^{20123130322122} is an apocalyptic number.

20123130322122 is an abundant number, since it is smaller than the sum of its proper divisors (20125533715350).

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

20123130322122 is a wasteful number, since it uses less digits than its factorization.

20123130322122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200282773.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 20123130322122 its reverse (22122303132102), we get a palindrome (42245433454224).

The spelling of 20123130322122 in words is "twenty trillion, one hundred twenty-three billion, one hundred thirty million, three hundred twenty-two thousand, one hundred twenty-two".