12101212102200 has 192 divisors, whose sum is σ = 40604509582560. Its totient is φ = 2963638917120.

The previous prime is 12101212102169. The next prime is 12101212102207. The reversal of 12101212102200 is 220121210121.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 12101212102200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12101212102207) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 2401059 + ... + 5474258.

Almost surely, 2^{12101212102200} is an apocalyptic number.

12101212102200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12101212102200 is an abundant number, since it is smaller than the sum of its proper divisors (28503297480360).

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

12101212102200 is a wasteful number, since it uses less digits than its factorization.

12101212102200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7875546 (or 7875537 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12101212102200 its reverse (220121210121), we get a palindrome (12321333312321).

The spelling of 12101212102200 in words is "twelve trillion, one hundred one billion, two hundred twelve million, one hundred two thousand, two hundred".