12626632043 has 4 divisors (see below), whose sum is σ = 12661804080. Its totient is φ = 12591460008.

The previous prime is 12626632013. The next prime is 12626632093. The reversal of 12626632043 is 34023662621.

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 12626632043 - 2¹⁰ = 12626631019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12626631994 and 12626632012.

It is not an unprimeable number, because it can be changed into a prime (12626632013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17585480 + ... + 17586197.

It is an arithmetic number, because the mean of its divisors is an integer number (3165451020).

Almost surely, 2^12626632043 is an apocalyptic number.

12626632043 is a deficient number, since it is larger than the sum of its proper divisors (35172037).

12626632043 is an equidigital number, since it uses as much as digits as its factorization.

12626632043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35172036.

The product of its (nonzero) digits is 62208, while the sum is 35.

The spelling of 12626632043 in words is "twelve billion, six hundred twenty-six million, six hundred thirty-two thousand, forty-three".