12273780051 has 24 divisors (see below), whose sum is σ = 19214184080. Its totient is φ = 7504975296.

The previous prime is 12273780047. The next prime is 12273780067. The reversal of 12273780051 is 15008737221.

12273780051 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12273780051 - 2² = 12273780047 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12273779988 and 12273780015.

It is not an unprimeable number, because it can be changed into a prime (12273780031) 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 23 ways as a sum of consecutive naturals, for example, 315721 + ... + 352458.

Almost surely, 2^12273780051 is an apocalyptic number.

12273780051 is a deficient number, since it is larger than the sum of its proper divisors (6940404029).

12273780051 is a wasteful number, since it uses less digits than its factorization.

12273780051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 668355 (or 668352 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 36.

The spelling of 12273780051 in words is "twelve billion, two hundred seventy-three million, seven hundred eighty thousand, fifty-one".