12688212235 has 8 divisors (see below), whose sum is σ = 15637364496. Its totient is φ = 9876229920.

The previous prime is 12688212233. The next prime is 12688212283. The reversal of 12688212235 is 53221288621.

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

It is not a de Polignac number, because 12688212235 - 2¹ = 12688212233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12688212233) 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, 34292281 + ... + 34292650.

It is an arithmetic number, because the mean of its divisors is an integer number (1954670562).

Almost surely, 2^12688212235 is an apocalyptic number.

12688212235 is a deficient number, since it is larger than the sum of its proper divisors (2949152261).

12688212235 is an equidigital number, since it uses as much as digits as its factorization.

12688212235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68584973.

The product of its digits is 92160, while the sum is 40.

The spelling of 12688212235 in words is "twelve billion, six hundred eighty-eight million, two hundred twelve thousand, two hundred thirty-five".