12633422177 has 4 divisors (see below), whose sum is σ = 13376564676. Its totient is φ = 11890279680.

The previous prime is 12633422161. The next prime is 12633422189. The reversal of 12633422177 is 77122433621.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5570532496 + 7062889681 = 74636^2 + 84041^2 .

It is a cyclic number.

It is not a de Polignac number, because 12633422177 - 2⁴ = 12633422161 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12633422177.

It is not an unprimeable number, because it can be changed into a prime (12633425177) 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, 371571224 + ... + 371571257.

It is an arithmetic number, because the mean of its divisors is an integer number (3344141169).

Almost surely, 2^12633422177 is an apocalyptic number.

12633422177 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

12633422177 is a deficient number, since it is larger than the sum of its proper divisors (743142499).

12633422177 is an equidigital number, since it uses as much as digits as its factorization.

12633422177 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 743142498.

The product of its digits is 84672, while the sum is 38.

Adding to 12633422177 its reverse (77122433621), we get a palindrome (89755855798).

The spelling of 12633422177 in words is "twelve billion, six hundred thirty-three million, four hundred twenty-two thousand, one hundred seventy-seven".