12940605628 has 12 divisors (see below), whose sum is σ = 22646865472. Its totient is φ = 6470072640.

The previous prime is 12940605599. The next prime is 12940605661. The reversal of 12940605628 is 82650604921.

12940605628 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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, 162133 + ... + 228403.

Almost surely, 2^12940605628 is an apocalyptic number.

It is an amenable number.

12940605628 is a deficient number, since it is larger than the sum of its proper divisors (9706259844).

12940605628 is a wasteful number, since it uses less digits than its factorization.

12940605628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115092 (or 115090 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 43.

The spelling of 12940605628 in words is "twelve billion, nine hundred forty million, six hundred five thousand, six hundred twenty-eight".