122212233100 has 72 divisors (see below), whose sum is σ = 274071569408. Its totient is φ = 47253326400.

The previous prime is 122212233053. The next prime is 122212233107. The reversal of 122212233100 is 1332212221.

It is a super-2 number, since 2×122212233100² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (122212233107) 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, 2714977 + ... + 2759623.

Almost surely, 2^122212233100 is an apocalyptic number.

122212233100 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 122212233100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137035784704).

122212233100 is an abundant number, since it is smaller than the sum of its proper divisors (151859336308).

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

122212233100 is a wasteful number, since it uses less digits than its factorization.

122212233100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45575 (or 45568 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 122212233100 its reverse (1332212221), we get a palindrome (123544445321).

The spelling of 122212233100 in words is "one hundred twenty-two billion, two hundred twelve million, two hundred thirty-three thousand, one hundred".