122212011020 has 72 divisors (see below), whose sum is σ = 282193548000. Its totient is φ = 44425624320.

The previous prime is 122212011017. The next prime is 122212011041. The reversal of 122212011020 is 20110212221.

It is a junction number, because it is equal to n+sod(n) for n = 122212010986 and 122212011004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9114281 + ... + 9127679.

Almost surely, 2^122212011020 is an apocalyptic number.

122212011020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122212011020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141096774000).

122212011020 is an abundant number, since it is smaller than the sum of its proper divisors (159981536980).

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

122212011020 is a wasteful number, since it uses less digits than its factorization.

122212011020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17199 (or 17186 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 122212011020 its reverse (20110212221), we get a palindrome (142322223241).

It can be divided in two parts, 12221201 and 1020, that added together give a palindrome (12222221).

The spelling of 122212011020 in words is "one hundred twenty-two billion, two hundred twelve million, eleven thousand, twenty".