12010100212120 has 128 divisors (see below), whose sum is σ = 28496435040000. Its totient is φ = 4542968166912.

The previous prime is 12010100212111. The next prime is 12010100212133. The reversal of 12010100212120 is 2121200101021.

It is a self number, because there is not a number n which added to its sum of digits gives 12010100212120.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1879805886 + ... + 1879812274.

It is an arithmetic number, because the mean of its divisors is an integer number (222628398750).

Almost surely, 2^{12010100212120} is an apocalyptic number.

12010100212120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12010100212120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14248217520000).

12010100212120 is an abundant number, since it is smaller than the sum of its proper divisors (16486334827880).

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

12010100212120 is a wasteful number, since it uses less digits than its factorization.

12010100212120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10505 (or 10501 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12010100212120 its reverse (2121200101021), we get a palindrome (14131300313141).

The spelling of 12010100212120 in words is "twelve trillion, ten billion, one hundred million, two hundred twelve thousand, one hundred twenty".