12101210102200 has 144 divisors (see below), whose sum is σ = 29470464595440. Its totient is φ = 4620165004800.

The previous prime is 12101210102197. The next prime is 12101210102213. The reversal of 12101210102200 is 220101210121.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 13599357 + ... + 14461843.

It is an arithmetic number, because the mean of its divisors is an integer number (204656004135).

Almost surely, 2^{12101210102200} is an apocalyptic number.

12101210102200 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 12101210102200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14735232297720).

12101210102200 is an abundant number, since it is smaller than the sum of its proper divisors (17369254493240).

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

12101210102200 is a wasteful number, since it uses less digits than its factorization.

12101210102200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 862638 (or 862598 counting only the distinct ones).

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

Adding to 12101210102200 its reverse (220101210121), we get a palindrome (12321311312321).

The spelling of 12101210102200 in words is "twelve trillion, one hundred one billion, two hundred ten million, one hundred two thousand, two hundred".