12940687822 has 8 divisors (see below), whose sum is σ = 19603220472. Its totient is φ = 6406281000.

The previous prime is 12940687817. The next prime is 12940687829. The reversal of 12940687822 is 22878604921.

12940687822 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×12940687822² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12940687829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32031204 + ... + 32031607.

It is an arithmetic number, because the mean of its divisors is an integer number (2450402559).

Almost surely, 2^12940687822 is an apocalyptic number.

12940687822 is a deficient number, since it is larger than the sum of its proper divisors (6662532650).

12940687822 is a wasteful number, since it uses less digits than its factorization.

12940687822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64062914.

The product of its (nonzero) digits is 774144, while the sum is 49.

The spelling of 12940687822 in words is "twelve billion, nine hundred forty million, six hundred eighty-seven thousand, eight hundred twenty-two".