12655455622 has 8 divisors (see below), whose sum is σ = 20099841336. Its totient is φ = 5955508512.

The previous prime is 12655455613. The next prime is 12655455629. The reversal of 12655455622 is 22655455621.

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

It is a super-2 number, since 2×12655455622² (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 (12655455629) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 186109608 + ... + 186109675.

It is an arithmetic number, because the mean of its divisors is an integer number (2512480167).

Almost surely, 2^12655455622 is an apocalyptic number.

12655455622 is a deficient number, since it is larger than the sum of its proper divisors (7444385714).

12655455622 is a wasteful number, since it uses less digits than its factorization.

12655455622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372219302.

The product of its digits is 720000, while the sum is 43.

Subtracting 12655455622 from its reverse (22655455621), we obtain a palindrome (9999999999).

The spelling of 12655455622 in words is "twelve billion, six hundred fifty-five million, four hundred fifty-five thousand, six hundred twenty-two".