3012129800 has 24 divisors (see below), whose sum is σ = 7003202250. Its totient is φ = 1204851840.

The previous prime is 3012129779. The next prime is 3012129811. The reversal of 3012129800 is 89212103.

It can be written as a sum of positive squares in 3 ways, for example, as 2864604484 + 147525316 = 53522^2 + 12146^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3012129800.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7530125 + ... + 7530524.

Almost surely, 2^3012129800 is an apocalyptic number.

It is an amenable number.

3012129800 is an abundant number, since it is smaller than the sum of its proper divisors (3991072450).

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

3012129800 is a wasteful number, since it uses less digits than its factorization.

3012129800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15060665 (or 15060656 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 3012129800 is about 54882.8734670480. The cubic root of 3012129800 is about 1444.1907562801.

The spelling of 3012129800 in words is "three billion, twelve million, one hundred twenty-nine thousand, eight hundred".