12121100112095 has 16 divisors (see below), whose sum is σ = 15959741690592. Its totient is φ = 8782080078720.

The previous prime is 12121100112091. The next prime is 12121100112157. The reversal of 12121100112095 is 59021100112121.

It is not a de Polignac number, because 12121100112095 - 2² = 12121100112091 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12121100112091) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1759227341 + ... + 1759234230.

It is an arithmetic number, because the mean of its divisors is an integer number (997483855662).

Almost surely, 2^{12121100112095} is an apocalyptic number.

12121100112095 is a deficient number, since it is larger than the sum of its proper divisors (3838641578497).

12121100112095 is a wasteful number, since it uses less digits than its factorization.

12121100112095 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3518461642.

The product of its (nonzero) digits is 360, while the sum is 26.

Adding to 12121100112095 its sum of digits (26), we get a palindrome (12121100112121).

The spelling of 12121100112095 in words is "twelve trillion, one hundred twenty-one billion, one hundred million, one hundred twelve thousand, ninety-five".