12435522043 has 16 divisors (see below), whose sum is σ = 14281779456. Its totient is φ = 10606828320.

The previous prime is 12435522017. The next prime is 12435522053. The reversal of 12435522043 is 34022553421.

It is a cyclic number.

It is not a de Polignac number, because 12435522043 - 2¹⁷ = 12435390971 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12435521996 and 12435522014.

It is not an unprimeable number, because it can be changed into a prime (12435522013) 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 15 ways as a sum of consecutive naturals, for example, 1299705 + ... + 1309237.

It is an arithmetic number, because the mean of its divisors is an integer number (892611216).

Almost surely, 2^12435522043 is an apocalyptic number.

12435522043 is a deficient number, since it is larger than the sum of its proper divisors (1846257413).

12435522043 is an equidigital number, since it uses as much as digits as its factorization.

12435522043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10434.

The product of its (nonzero) digits is 28800, while the sum is 31.

The spelling of 12435522043 in words is "twelve billion, four hundred thirty-five million, five hundred twenty-two thousand, forty-three".