12055463777 has 12 divisors (see below), whose sum is σ = 14633430336. Its totient is φ = 9883981800.

The previous prime is 12055463773. The next prime is 12055463801. The reversal of 12055463777 is 77736455021.

It is a happy number.

It is not a de Polignac number, because 12055463777 - 2² = 12055463773 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12055463773) 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 11 ways as a sum of consecutive naturals, for example, 5347349 + ... + 5349602.

It is an arithmetic number, because the mean of its divisors is an integer number (1219452528).

Almost surely, 2^12055463777 is an apocalyptic number.

It is an amenable number.

12055463777 is a deficient number, since it is larger than the sum of its proper divisors (2577966559).

12055463777 is a wasteful number, since it uses less digits than its factorization.

12055463777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10696988 (or 10696981 counting only the distinct ones).

The product of its (nonzero) digits is 1234800, while the sum is 47.

The spelling of 12055463777 in words is "twelve billion, fifty-five million, four hundred sixty-three thousand, seven hundred seventy-seven".