12477331007 has 4 divisors (see below), whose sum is σ = 12663559896. Its totient is φ = 12291102120.

The previous prime is 12477331003. The next prime is 12477331037. The reversal of 12477331007 is 70013377421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70013377421 = 13 ⋅5385644417.

It is a cyclic number.

It is not a de Polignac number, because 12477331007 - 2² = 12477331003 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12477331001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93114344 + ... + 93114477.

It is an arithmetic number, because the mean of its divisors is an integer number (3165889974).

Almost surely, 2^12477331007 is an apocalyptic number.

12477331007 is a deficient number, since it is larger than the sum of its proper divisors (186228889).

12477331007 is an equidigital number, since it uses as much as digits as its factorization.

12477331007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186228888.

The product of its (nonzero) digits is 24696, while the sum is 35.

The spelling of 12477331007 in words is "twelve billion, four hundred seventy-seven million, three hundred thirty-one thousand, seven".