12620980477 has 16 divisors (see below), whose sum is σ = 14470410240. Its totient is φ = 10783216368.

The previous prime is 12620980469. The next prime is 12620980499. The reversal of 12620980477 is 77408902621.

12620980477 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 12620980477 - 2³ = 12620980469 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12620980277) 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 15 ways as a sum of consecutive naturals, for example, 4044924 + ... + 4048042.

It is an arithmetic number, because the mean of its divisors is an integer number (904400640).

Almost surely, 2^12620980477 is an apocalyptic number.

It is an amenable number.

12620980477 is a deficient number, since it is larger than the sum of its proper divisors (1849429763).

12620980477 is a wasteful number, since it uses less digits than its factorization.

12620980477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4800.

The product of its (nonzero) digits is 338688, while the sum is 46.

The spelling of 12620980477 in words is "twelve billion, six hundred twenty million, nine hundred eighty thousand, four hundred seventy-seven".