12455766012 has 48 divisors (see below), whose sum is σ = 30341364480. Its totient is φ = 3969533568.

The previous prime is 12455766007. The next prime is 12455766013. The reversal of 12455766012 is 21066755421.

It is a super-2 number, since 2×12455766012² (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 (12455766013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 651039 + ... + 669897.

It is an arithmetic number, because the mean of its divisors is an integer number (632111760).

Almost surely, 2^12455766012 is an apocalyptic number.

12455766012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12455766012 is an abundant number, since it is smaller than the sum of its proper divisors (17885598468).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12455766012 is a wasteful number, since it uses less digits than its factorization.

12455766012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21282 (or 21280 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 39.

The spelling of 12455766012 in words is "twelve billion, four hundred fifty-five million, seven hundred sixty-six thousand, twelve".