1812852200 has 48 divisors (see below), whose sum is σ = 4218480000. Its totient is φ = 724521920.

The previous prime is 1812852161. The next prime is 1812852211. The reversal of 1812852200 is 22582181.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 284651 + ... + 290949.

It is an arithmetic number, because the mean of its divisors is an integer number (87885000).

Almost surely, 2^1812852200 is an apocalyptic number.

1812852200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1812852200 is an abundant number, since it is smaller than the sum of its proper divisors (2405627800).

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

1812852200 is a wasteful number, since it uses less digits than its factorization.

1812852200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7754 (or 7745 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 29.

The square root of 1812852200 is about 42577.6020931193. The cubic root of 1812852200 is about 1219.3287089023.

The spelling of 1812852200 in words is "one billion, eight hundred twelve million, eight hundred fifty-two thousand, two hundred".