12000101022 has 128 divisors (see below), whose sum is σ = 32864025600. Its totient is φ = 3160695168.

The previous prime is 12000101021. The next prime is 12000101089. The reversal of 12000101022 is 22010100021.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 12000100995 and 12000101013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12000101021) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6038313 + ... + 6040299.

It is an arithmetic number, because the mean of its divisors is an integer number (256750200).

Almost surely, 2^12000101022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12000101022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16432012800).

12000101022 is an abundant number, since it is smaller than the sum of its proper divisors (20863924578).

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

12000101022 is a wasteful number, since it uses less digits than its factorization.

12000101022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3247 (or 3241 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 12000101022 its reverse (22010100021), we get a palindrome (34010201043).

The spelling of 12000101022 in words is "twelve billion, one hundred one thousand, twenty-two".