12042700777847 has 4 divisors (see below), whose sum is σ = 12240122102136. Its totient is φ = 11845279453560.

The previous prime is 12042700777843. The next prime is 12042700777949. The reversal of 12042700777847 is 74877700724021.

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 12042700777847 - 2² = 12042700777843 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12042700777792 and 12042700777801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12042700777843) 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, 98710662053 + ... + 98710662174.

It is an arithmetic number, because the mean of its divisors is an integer number (3060030525534).

Almost surely, 2^{12042700777847} is an apocalyptic number.

12042700777847 is a deficient number, since it is larger than the sum of its proper divisors (197421324289).

12042700777847 is an equidigital number, since it uses as much as digits as its factorization.

12042700777847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197421324288.

The product of its (nonzero) digits is 8605184, while the sum is 56.

The spelling of 12042700777847 in words is "twelve trillion, forty-two billion, seven hundred million, seven hundred seventy-seven thousand, eight hundred forty-seven".