201230022313122 has 512 divisors, whose sum is σ = 492527908454400. Its totient is φ = 54109414195200.

The previous prime is 201230022313109. The next prime is 201230022313127. The reversal of 201230022313122 is 221313220032102.

It is a junction number, because it is equal to n+sod(n) for n = 201230022313092 and 201230022313101.

It is not an unprimeable number, because it can be changed into a prime (201230022313127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 54254520204 + ... + 54254523912.

It is an arithmetic number, because the mean of its divisors is an integer number (961968571200).

Almost surely, 2^{201230022313122} is an apocalyptic number.

201230022313122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 201230022313122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (246263954227200).

201230022313122 is an abundant number, since it is smaller than the sum of its proper divisors (291297886141278).

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

201230022313122 is a wasteful number, since it uses less digits than its factorization.

201230022313122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4162.

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

Adding to 201230022313122 its reverse (221313220032102), we get a palindrome (422543242345224).

The spelling of 201230022313122 in words is "two hundred one trillion, two hundred thirty billion, twenty-two million, three hundred thirteen thousand, one hundred twenty-two".