12435807868 has 24 divisors (see below), whose sum is σ = 23748089904. Its totient is φ = 5650972800.

The previous prime is 12435807851. The next prime is 12435807871. The reversal of 12435807868 is 86870853421.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115896 + ... + 195712.

It is an arithmetic number, because the mean of its divisors is an integer number (989503746).

Almost surely, 2^12435807868 is an apocalyptic number.

It is an amenable number.

12435807868 is a deficient number, since it is larger than the sum of its proper divisors (11312282036).

12435807868 is a wasteful number, since it uses less digits than its factorization.

12435807868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83373 (or 83371 counting only the distinct ones).

The product of its (nonzero) digits is 2580480, while the sum is 52.

The spelling of 12435807868 in words is "twelve billion, four hundred thirty-five million, eight hundred seven thousand, eight hundred sixty-eight".