12825551700 has 108 divisors (see below), whose sum is σ = 43293401788. Its totient is φ = 3157056000.

The previous prime is 12825551699. The next prime is 12825551731. The reversal of 12825551700 is 715552821.

12825551700 is a `hidden beast` number, since 12 + 8 + 25 + 551 + 70 + 0 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 4275590544 + 8549961156 = 65388^2 + 92466^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 536401 + ... + 559800.

Almost surely, 2^12825551700 is an apocalyptic number.

12825551700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12825551700 is an abundant number, since it is smaller than the sum of its proper divisors (30467850088).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12825551700 is a wasteful number, since it uses less digits than its factorization.

12825551700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1096234 (or 1096224 counting only the distinct ones).

The product of its (nonzero) digits is 28000, while the sum is 36.

The spelling of 12825551700 in words is "twelve billion, eight hundred twenty-five million, five hundred fifty-one thousand, seven hundred".