12211722742 has 8 divisors (see below), whose sum is σ = 18371939976. Its totient is φ = 6087742752.

The previous prime is 12211722707. The next prime is 12211722763. The reversal of 12211722742 is 24722711221.

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

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 9058468 + ... + 9059815.

It is an arithmetic number, because the mean of its divisors is an integer number (2296492497).

Almost surely, 2^12211722742 is an apocalyptic number.

12211722742 is a deficient number, since it is larger than the sum of its proper divisors (6160217234).

12211722742 is a wasteful number, since it uses less digits than its factorization.

12211722742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18118622.

The product of its digits is 6272, while the sum is 31.

The spelling of 12211722742 in words is "twelve billion, two hundred eleven million, seven hundred twenty-two thousand, seven hundred forty-two".