12201100121012 has 24 divisors (see below), whose sum is σ = 23293552054080. Its totient is φ = 5545825378560.

The previous prime is 12201100120999. The next prime is 12201100121051. The reversal of 12201100121012 is 21012100110221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1307837 + ... + 5110052.

It is an arithmetic number, because the mean of its divisors is an integer number (970564668920).

Almost surely, 2^{12201100121012} is an apocalyptic number.

It is an amenable number.

12201100121012 is a deficient number, since it is larger than the sum of its proper divisors (11092451933068).

12201100121012 is a wasteful number, since it uses less digits than its factorization.

12201100121012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6461111 (or 6461109 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 12201100121012 its reverse (21012100110221), we get a palindrome (33213200231233).

The spelling of 12201100121012 in words is "twelve trillion, two hundred one billion, one hundred million, one hundred twenty-one thousand, twelve".