12066278955 has 32 divisors (see below), whose sum is σ = 21101119488. Its totient is φ = 5861414400.

The previous prime is 12066278951. The next prime is 12066278957. The reversal of 12066278955 is 55987266021.

It is not a de Polignac number, because 12066278955 - 2² = 12066278951 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a junction number, because it is equal to n+sod(n) for n = 12066278898 and 12066278907.

It is not an unprimeable number, because it can be changed into a prime (12066278951) 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 31 ways as a sum of consecutive naturals, for example, 755301 + ... + 771110.

It is an arithmetic number, because the mean of its divisors is an integer number (659409984).

Almost surely, 2^12066278955 is an apocalyptic number.

12066278955 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12066278955 is a deficient number, since it is larger than the sum of its proper divisors (9034840533).

12066278955 is a wasteful number, since it uses less digits than its factorization.

12066278955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1526467.

The product of its (nonzero) digits is 1814400, while the sum is 51.

The spelling of 12066278955 in words is "twelve billion, sixty-six million, two hundred seventy-eight thousand, nine hundred fifty-five".