12121200110095 has 4 divisors (see below), whose sum is σ = 14545440132120. Its totient is φ = 9696960088072.

The previous prime is 12121200110027. The next prime is 12121200110099. The reversal of 12121200110095 is 59001100212121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12121200110095 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12121200110099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1212120011005 + ... + 1212120011014.

It is an arithmetic number, because the mean of its divisors is an integer number (3636360033030).

Almost surely, 2^{12121200110095} is an apocalyptic number.

12121200110095 is a deficient number, since it is larger than the sum of its proper divisors (2424240022025).

12121200110095 is an equidigital number, since it uses as much as digits as its factorization.

12121200110095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2424240022024.

The product of its (nonzero) digits is 360, while the sum is 25.

The spelling of 12121200110095 in words is "twelve trillion, one hundred twenty-one billion, two hundred million, one hundred ten thousand, ninety-five".