12293019647 has 4 divisors (see below), whose sum is σ = 12295122936. Its totient is φ = 12290916360.

The previous prime is 12293019593. The next prime is 12293019649. The reversal of 12293019647 is 74691039221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74691039221 = 1889 ⋅39539989.

It is a cyclic number.

It is not a de Polignac number, because 12293019647 - 2¹⁰ = 12293018623 is a prime.

It is a super-2 number, since 2×12293019647² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12293019598 and 12293019607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12293019649) 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, 1042853 + ... + 1054574.

It is an arithmetic number, because the mean of its divisors is an integer number (3073780734).

Almost surely, 2^12293019647 is an apocalyptic number.

12293019647 is a deficient number, since it is larger than the sum of its proper divisors (2103289).

12293019647 is an equidigital number, since it uses as much as digits as its factorization.

12293019647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2103288.

The product of its (nonzero) digits is 163296, while the sum is 44.

The spelling of 12293019647 in words is "twelve billion, two hundred ninety-three million, nineteen thousand, six hundred forty-seven".