12210642727 has 8 divisors (see below), whose sum is σ = 12545038800. Its totient is φ = 11876477184.

The previous prime is 12210642721. The next prime is 12210642739. The reversal of 12210642727 is 72724601221.

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

It is a cyclic number.

It is not a de Polignac number, because 12210642727 - 2¹⁹ = 12210118439 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12210642692 and 12210642701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12210642721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52599 + ... + 164887.

It is an arithmetic number, because the mean of its divisors is an integer number (1568129850).

Almost surely, 2^12210642727 is an apocalyptic number.

12210642727 is a deficient number, since it is larger than the sum of its proper divisors (334396073).

12210642727 is a wasteful number, since it uses less digits than its factorization.

12210642727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115265.

The product of its (nonzero) digits is 18816, while the sum is 34.

The spelling of 12210642727 in words is "twelve billion, two hundred ten million, six hundred forty-two thousand, seven hundred twenty-seven".