123211020131022 has 8 divisors (see below), whose sum is σ = 246422040262056. Its totient is φ = 41070340043672.

The previous prime is 123211020130937. The next prime is 123211020131029. The reversal of 123211020131022 is 220131020112321.

It is a sphenic number, since it is the product of 3 distinct primes.

123211020131022 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 123211020131022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123211020131029) 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 3 ways as a sum of consecutive naturals, for example, 10267585010913 + ... + 10267585010924.

It is an arithmetic number, because the mean of its divisors is an integer number (30802755032757).

Almost surely, 2^{123211020131022} is an apocalyptic number.

123211020131022 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

123211020131022 is a wasteful number, since it uses less digits than its factorization.

123211020131022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20535170021842.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 123211020131022 its reverse (220131020112321), we get a palindrome (343342040243343).

The spelling of 123211020131022 in words is "one hundred twenty-three trillion, two hundred eleven billion, twenty million, one hundred thirty-one thousand, twenty-two".