12258634426 has 16 divisors (see below), whose sum is σ = 18448560000. Its totient is φ = 6109132528.

The previous prime is 12258634387. The next prime is 12258634463. The reversal of 12258634426 is 62443685221.

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, 2150436 + ... + 2156128.

It is an arithmetic number, because the mean of its divisors is an integer number (1153035000).

Almost surely, 2^12258634426 is an apocalyptic number.

12258634426 is a deficient number, since it is larger than the sum of its proper divisors (6189925574).

12258634426 is a wasteful number, since it uses less digits than its factorization.

12258634426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9053.

The product of its digits is 552960, while the sum is 43.

The spelling of 12258634426 in words is "twelve billion, two hundred fifty-eight million, six hundred thirty-four thousand, four hundred twenty-six".