12100055455 has 8 divisors (see below), whose sum is σ = 14526283104. Its totient is φ = 9675900000.

The previous prime is 12100055419. The next prime is 12100055479. The reversal of 12100055455 is 55455000121.

12100055455 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12100055455 - 2¹⁵ = 12100022687 is a prime.

It is a super-2 number, since 2×12100055455² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 505171 + ... + 528580.

It is an arithmetic number, because the mean of its divisors is an integer number (1815785388).

Almost surely, 2^12100055455 is an apocalyptic number.

12100055455 is a deficient number, since it is larger than the sum of its proper divisors (2426227649).

12100055455 is a wasteful number, since it uses less digits than its factorization.

12100055455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1036097.

The product of its (nonzero) digits is 5000, while the sum is 28.

Adding to 12100055455 its reverse (55455000121), we get a palindrome (67555055576).

The spelling of 12100055455 in words is "twelve billion, one hundred million, fifty-five thousand, four hundred fifty-five".