12201100102212 has 48 divisors (see below), whose sum is σ = 32536896924672. Its totient is φ = 3485961102240.

The previous prime is 12201100102201. The next prime is 12201100102231. The reversal of 12201100102212 is 21220100110221.

It is a junction number, because it is equal to n+sod(n) for n = 12201100102191 and 12201100102200.

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 15 ways as a sum of consecutive naturals, for example, 3041103 + ... + 5800905.

It is an arithmetic number, because the mean of its divisors is an integer number (677852019264).

Almost surely, 2^{12201100102212} is an apocalyptic number.

12201100102212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12201100102212 is an abundant number, since it is smaller than the sum of its proper divisors (20335796822460).

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

12201100102212 is a wasteful number, since it uses less digits than its factorization.

12201100102212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2812448 (or 2812446 counting only the distinct ones).

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

Adding to 12201100102212 its reverse (21220100110221), we get a palindrome (33421200212433).

The spelling of 12201100102212 in words is "twelve trillion, two hundred one billion, one hundred million, one hundred two thousand, two hundred twelve".