12655622343 has 48 divisors (see below), whose sum is σ = 21333348960. Its totient is φ = 6614141184.

The previous prime is 12655622333. The next prime is 12655622347. The reversal of 12655622343 is 34322655621.

It is not a de Polignac number, because 12655622343 - 2¹⁴ = 12655605959 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12655622347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 177921 + ... + 238677.

It is an arithmetic number, because the mean of its divisors is an integer number (444444770).

Almost surely, 2^12655622343 is an apocalyptic number.

12655622343 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12655622343 is a deficient number, since it is larger than the sum of its proper divisors (8677726617).

12655622343 is a wasteful number, since it uses less digits than its factorization.

12655622343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60896 (or 60889 counting only the distinct ones).

The product of its digits is 259200, while the sum is 39.

The spelling of 12655622343 in words is "twelve billion, six hundred fifty-five million, six hundred twenty-two thousand, three hundred forty-three".