12701556077 has 8 divisors (see below), whose sum is σ = 14521464000. Its totient is φ = 10882998144.

The previous prime is 12701556037. The next prime is 12701556113. The reversal of 12701556077 is 77065510721.

It is a happy number.

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 12701556077 - 2⁸ = 12701555821 is a prime.

It is a super-2 number, since 2×12701556077² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12701556037) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 317252 + ... + 355037.

It is an arithmetic number, because the mean of its divisors is an integer number (1815183000).

Almost surely, 2^12701556077 is an apocalyptic number.

It is an amenable number.

12701556077 is a deficient number, since it is larger than the sum of its proper divisors (1819907923).

12701556077 is an equidigital number, since it uses as much as digits as its factorization.

12701556077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 674995.

The product of its (nonzero) digits is 102900, while the sum is 41.

The spelling of 12701556077 in words is "twelve billion, seven hundred one million, five hundred fifty-six thousand, seventy-seven".