12200121002105 has 32 divisors (see below), whose sum is σ = 15115850830080. Its totient is φ = 9447087605760.

The previous prime is 12200121002099. The next prime is 12200121002117. The reversal of 12200121002105 is 50120012100221.

12200121002105 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12200121002105 - 2³² = 12195826034809 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 147891020 + ... + 147973490.

It is an arithmetic number, because the mean of its divisors is an integer number (472370338440).

Almost surely, 2^{12200121002105} is an apocalyptic number.

It is an amenable number.

12200121002105 is a deficient number, since it is larger than the sum of its proper divisors (2915729827975).

12200121002105 is a wasteful number, since it uses less digits than its factorization.

12200121002105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88721.

The product of its (nonzero) digits is 80, while the sum is 17.

Adding to 12200121002105 its reverse (50120012100221), we get a palindrome (62320133102326).

The spelling of 12200121002105 in words is "twelve trillion, two hundred billion, one hundred twenty-one million, two thousand, one hundred five".