12625228905 has 16 divisors (see below), whose sum is σ = 20201759424. Its totient is φ = 6732991040.

The previous prime is 12625228901. The next prime is 12625228939. The reversal of 12625228905 is 50982252621.

It is not a de Polignac number, because 12625228905 - 2² = 12625228901 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12625228901) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 407782 + ... + 437648.

It is an arithmetic number, because the mean of its divisors is an integer number (1262609964).

Almost surely, 2^12625228905 is an apocalyptic number.

12625228905 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12625228905 is a deficient number, since it is larger than the sum of its proper divisors (7576530519).

12625228905 is a wasteful number, since it uses less digits than its factorization.

12625228905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58056.

The product of its (nonzero) digits is 172800, while the sum is 42.

The spelling of 12625228905 in words is "twelve billion, six hundred twenty-five million, two hundred twenty-eight thousand, nine hundred five".