12100220034 has 96 divisors (see below), whose sum is σ = 29677337280. Its totient is φ = 3270371328.

The previous prime is 12100220017. The next prime is 12100220039. The reversal of 12100220034 is 43002200121.

It is a super-2 number, since 2×12100220034² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12100219995 and 12100220022.

It is not an unprimeable number, because it can be changed into a prime (12100220039) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5322322 + ... + 5324594.

It is an arithmetic number, because the mean of its divisors is an integer number (309138930).

Almost surely, 2^12100220034 is an apocalyptic number.

12100220034 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12100220034, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14838668640).

12100220034 is an abundant number, since it is smaller than the sum of its proper divisors (17577117246).

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

12100220034 is a wasteful number, since it uses less digits than its factorization.

12100220034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3264 (or 3257 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 12100220034 its reverse (43002200121), we get a palindrome (55102420155).

The spelling of 12100220034 in words is "twelve billion, one hundred million, two hundred twenty thousand, thirty-four".