12123520035 has 32 divisors (see below), whose sum is σ = 21890753280. Its totient is φ = 5675376000.

The previous prime is 12123520009. The next prime is 12123520037. The reversal of 12123520035 is 53002532121.

It is a happy number.

12123520035 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12123520035 - 2⁷ = 12123519907 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12123519987 and 12123520014.

It is not an unprimeable number, because it can be changed into a prime (12123520037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1262041 + ... + 1271610.

It is an arithmetic number, because the mean of its divisors is an integer number (684086040).

Almost surely, 2^12123520035 is an apocalyptic number.

12123520035 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12123520035 is a deficient number, since it is larger than the sum of its proper divisors (9767233245).

12123520035 is a wasteful number, since it uses less digits than its factorization.

12123520035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2533699.

The product of its (nonzero) digits is 1800, while the sum is 24.

The spelling of 12123520035 in words is "twelve billion, one hundred twenty-three million, five hundred twenty thousand, thirty-five".