12655522220223 has 8 divisors (see below), whose sum is σ = 16874050286848. Its totient is φ = 8437004483544.

The previous prime is 12655522220221. The next prime is 12655522220239. The reversal of 12655522220223 is 32202222555621.

12655522220223 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 12655522220223 - 2¹ = 12655522220221 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 (12655522220221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 977040 + ... + 5125002.

It is an arithmetic number, because the mean of its divisors is an integer number (2109256285856).

Almost surely, 2^{12655522220223} is an apocalyptic number.

12655522220223 is a deficient number, since it is larger than the sum of its proper divisors (4218528066625).

12655522220223 is a wasteful number, since it uses less digits than its factorization.

12655522220223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5164973.

The product of its (nonzero) digits is 288000, while the sum is 39.

Adding to 12655522220223 its reverse (32202222555621), we get a palindrome (44857744775844).

The spelling of 12655522220223 in words is "twelve trillion, six hundred fifty-five billion, five hundred twenty-two million, two hundred twenty thousand, two hundred twenty-three".