12046220055 has 48 divisors (see below), whose sum is σ = 21479799744. Its totient is φ = 6240706560.

The previous prime is 12046220051. The next prime is 12046220057. The reversal of 12046220055 is 55002264021.

12046220055 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 12046220055 - 2² = 12046220051 is a prime.

It is a super-2 number, since 2×12046220055² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12046220051) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 1061622 + ... + 1072908.

It is an arithmetic number, because the mean of its divisors is an integer number (447495828).

Almost surely, 2^12046220055 is an apocalyptic number.

12046220055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12046220055 is a deficient number, since it is larger than the sum of its proper divisors (9433579689).

12046220055 is a wasteful number, since it uses less digits than its factorization.

12046220055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11976 (or 11973 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 12046220055 its reverse (55002264021), we get a palindrome (67048484076).

The spelling of 12046220055 in words is "twelve billion, forty-six million, two hundred twenty thousand, fifty-five".