1812095712 has 264 divisors, whose sum is σ = 6160429296. Its totient is φ = 513962496.

The previous prime is 1812095699. The next prime is 1812095713. The reversal of 1812095712 is 2175902181.

It is a happy number.

1812095712 is a `hidden beast` number, since 1 + 81 + 2 + 0 + 9 + 571 + 2 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1812095713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 43 ways as a sum of consecutive naturals, for example, 13226908 + ... + 13227044.

Almost surely, 2^1812095712 is an apocalyptic number.

1812095712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1812095712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3080214648).

1812095712 is an abundant number, since it is smaller than the sum of its proper divisors (4348333584).

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

1812095712 is an frugal number, since it uses more digits than its factorization.

1812095712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184 (or 149 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 36.

The square root of 1812095712 is about 42568.7175282507. The cubic root of 1812095712 is about 1219.1590800948.

Adding to 1812095712 its reverse (2175902181), we get a palindrome (3987997893).

The spelling of 1812095712 in words is "one billion, eight hundred twelve million, ninety-five thousand, seven hundred twelve".