12777775000147 has 4 divisors (see below), whose sum is σ = 13333330434960. Its totient is φ = 12222219565336.

The previous prime is 12777775000117. The next prime is 12777775000201. The reversal of 12777775000147 is 74100057777721.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12777775000147 - 2²³ = 12777766611539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12777775000117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 277777717372 + ... + 277777717417.

It is an arithmetic number, because the mean of its divisors is an integer number (3333332608740).

Almost surely, 2^{12777775000147} is an apocalyptic number.

12777775000147 is a deficient number, since it is larger than the sum of its proper divisors (555555434813).

12777775000147 is an equidigital number, since it uses as much as digits as its factorization.

12777775000147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555555434812.

The product of its (nonzero) digits is 4705960, while the sum is 55.

The spelling of 12777775000147 in words is "twelve trillion, seven hundred seventy-seven billion, seven hundred seventy-five million, one hundred forty-seven", and thus it is an aban number.