12111022010010 has 512 divisors, whose sum is σ = 37417033728000. Its totient is φ = 2486816640000.

The previous prime is 12111022009949. The next prime is 12111022010033. The reversal of 12111022010010 is 1001022011121.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 11329299756 + ... + 11329300824.

It is an arithmetic number, because the mean of its divisors is an integer number (73080144000).

Almost surely, 2^{12111022010010} is an apocalyptic number.

12111022010010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12111022010010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18708516864000).

12111022010010 is an abundant number, since it is smaller than the sum of its proper divisors (25306011717990).

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

12111022010010 is a wasteful number, since it uses less digits than its factorization.

12111022010010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2203 (or 2189 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 12111022010010 its reverse (1001022011121), we get a palindrome (13112044021131).

The spelling of 12111022010010 in words is "twelve trillion, one hundred eleven billion, twenty-two million, ten thousand, ten".