12010120122 has 128 divisors (see below), whose sum is σ = 32798545920. Its totient is φ = 2830659840.

The previous prime is 12010120079. The next prime is 12010120147. The reversal of 12010120122 is 22102101021.

It is a junction number, because it is equal to n+sod(n) for n = 12010120098 and 12010120107.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 337408 + ... + 371300.

It is an arithmetic number, because the mean of its divisors is an integer number (256238640).

Almost surely, 2^12010120122 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12010120122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16399272960).

12010120122 is an abundant number, since it is smaller than the sum of its proper divisors (20788425798).

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

12010120122 is a wasteful number, since it uses less digits than its factorization.

12010120122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33988.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 12010120122 its reverse (22102101021), we get a palindrome (34112221143).

The spelling of 12010120122 in words is "twelve billion, ten million, one hundred twenty thousand, one hundred twenty-two".