12100154042200 has 96 divisors (see below), whose sum is σ = 32166947656800. Its totient is φ = 4146674595840.

The previous prime is 12100154042147. The next prime is 12100154042293. The reversal of 12100154042200 is 224045100121.

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 23 ways as a sum of consecutive naturals, for example, 950782 + ... + 5010418.

It is an arithmetic number, because the mean of its divisors is an integer number (335072371425).

Almost surely, 2^{12100154042200} is an apocalyptic number.

12100154042200 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 12100154042200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16083473828400).

12100154042200 is an abundant number, since it is smaller than the sum of its proper divisors (20066793614600).

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

12100154042200 is a wasteful number, since it uses less digits than its factorization.

12100154042200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4061789 (or 4061780 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 22.

Adding to 12100154042200 its reverse (224045100121), we get a palindrome (12324199142321).

The spelling of 12100154042200 in words is "twelve trillion, one hundred billion, one hundred fifty-four million, forty-two thousand, two hundred".