12347020235 has 64 divisors (see below), whose sum is σ = 16860856320. Its totient is φ = 8601984000.

The previous prime is 12347020201. The next prime is 12347020243. The reversal of 12347020235 is 53202074321.

It is not a de Polignac number, because 12347020235 - 2⁶ = 12347020171 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12347020198 and 12347020207.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 46946714 + ... + 46946976.

It is an arithmetic number, because the mean of its divisors is an integer number (263450880).

Almost surely, 2^12347020235 is an apocalyptic number.

12347020235 is a deficient number, since it is larger than the sum of its proper divisors (4513836085).

12347020235 is a wasteful number, since it uses less digits than its factorization.

12347020235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620.

The product of its (nonzero) digits is 10080, while the sum is 29.

Adding to 12347020235 its reverse (53202074321), we get a palindrome (65549094556).

The spelling of 12347020235 in words is "twelve billion, three hundred forty-seven million, twenty thousand, two hundred thirty-five".