12100201222212 has 36 divisors (see below), whose sum is σ = 30594082100400. Its totient is φ = 4032416362032.

The previous prime is 12100201222181. The next prime is 12100201222229. The reversal of 12100201222212 is 21222210200121.

It is a happy number.

12100201222212 is a `hidden beast` number, since 1 + 210 + 0 + 20 + 1 + 222 + 212 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40852278 + ... + 41147405.

It is an arithmetic number, because the mean of its divisors is an integer number (849835613900).

Almost surely, 2^{12100201222212} is an apocalyptic number.

12100201222212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12100201222212 is an abundant number, since it is smaller than the sum of its proper divisors (18493880878188).

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

12100201222212 is a wasteful number, since it uses less digits than its factorization.

12100201222212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82003792 (or 82003787 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 12100201222212 its reverse (21222210200121), we get a palindrome (33322411422333).

The spelling of 12100201222212 in words is "twelve trillion, one hundred billion, two hundred one million, two hundred twenty-two thousand, two hundred twelve".