12101243022 has 96 divisors (see below), whose sum is σ = 29732451840. Its totient is φ = 3658374720.

The previous prime is 12101242981. The next prime is 12101243027. The reversal of 12101243022 is 22034210121.

It is a happy number.

12101243022 is a `hidden beast` number, since 1 + 210 + 1 + 2 + 430 + 22 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 12101242986 and 12101243004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12101243027) 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, 2472754 + ... + 2477642.

It is an arithmetic number, because the mean of its divisors is an integer number (309713040).

Almost surely, 2^12101243022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12101243022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14866225920).

12101243022 is an abundant number, since it is smaller than the sum of its proper divisors (17631208818).

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

12101243022 is a wasteful number, since it uses less digits than its factorization.

12101243022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5380 (or 5368 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 12101243022 its reverse (22034210121), we get a palindrome (34135453143).

The spelling of 12101243022 in words is "twelve billion, one hundred one million, two hundred forty-three thousand, twenty-two".