12464244071 has 4 divisors (see below), whose sum is σ = 12468892392. Its totient is φ = 12459595752.

The previous prime is 12464244029. The next prime is 12464244077. The reversal of 12464244071 is 17044246421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17044246421 = 1811 ⋅9411511.

It is a cyclic number.

It is not a de Polignac number, because 12464244071 - 2²⁶ = 12397135207 is a prime.

It is a super-2 number, since 2×12464244071² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12464244077) 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, 2320136 + ... + 2325501.

It is an arithmetic number, because the mean of its divisors is an integer number (3117223098).

Almost surely, 2^12464244071 is an apocalyptic number.

12464244071 is a deficient number, since it is larger than the sum of its proper divisors (4648321).

12464244071 is an equidigital number, since it uses as much as digits as its factorization.

12464244071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4648320.

The product of its (nonzero) digits is 43008, while the sum is 35.

The spelling of 12464244071 in words is "twelve billion, four hundred sixty-four million, two hundred forty-four thousand, seventy-one".