12007777478127 has 8 divisors (see below), whose sum is σ = 16010433849600. Its totient is φ = 8005153046040.

The previous prime is 12007777478119. The next prime is 12007777478131. The reversal of 12007777478127 is 72187477770021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12007777478127 - 2³ = 12007777478119 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12007777478117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7093399 + ... + 8621592.

It is an arithmetic number, because the mean of its divisors is an integer number (2001304231200).

Almost surely, 2^{12007777478127} is an apocalyptic number.

12007777478127 is a deficient number, since it is larger than the sum of its proper divisors (4002656371473).

12007777478127 is a wasteful number, since it uses less digits than its factorization.

12007777478127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15969693.

The product of its (nonzero) digits is 15059072, while the sum is 60.

The spelling of 12007777478127 in words is "twelve trillion, seven billion, seven hundred seventy-seven million, four hundred seventy-eight thousand, one hundred twenty-seven".