12345215235 has 16 divisors (see below), whose sum is σ = 19753752480. Its totient is φ = 6583645440.

The previous prime is 12345215209. The next prime is 12345215237. The reversal of 12345215235 is 53251254321.

12345215235 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 12345215235 - 2⁶ = 12345215171 is a prime.

It is a super-2 number, since 2×12345215235² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12345215196 and 12345215205.

It is not an unprimeable number, because it can be changed into a prime (12345215237) 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 15 ways as a sum of consecutive naturals, for example, 330405 + ... + 365865.

It is an arithmetic number, because the mean of its divisors is an integer number (1234609530).

Almost surely, 2^12345215235 is an apocalyptic number.

12345215235 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12345215235 is a deficient number, since it is larger than the sum of its proper divisors (7408537245).

12345215235 is a wasteful number, since it uses less digits than its factorization.

12345215235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58678.

The product of its digits is 36000, while the sum is 33.

Adding to 12345215235 its reverse (53251254321), we get a palindrome (65596469556).

The spelling of 12345215235 in words is "twelve billion, three hundred forty-five million, two hundred fifteen thousand, two hundred thirty-five".