10812947800 has 48 divisors (see below), whose sum is σ = 25158601800. Its totient is φ = 4321996800.

The previous prime is 10812947797. The next prime is 10812947807. The reversal of 10812947800 is 874921801.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10812947807) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 262615 + ... + 300985.

Almost surely, 2^10812947800 is an apocalyptic number.

10812947800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10812947800 is an abundant number, since it is smaller than the sum of its proper divisors (14345654000).

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

10812947800 is a wasteful number, since it uses less digits than its factorization.

10812947800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39796 (or 39787 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 40.

The spelling of 10812947800 in words is "ten billion, eight hundred twelve million, nine hundred forty-seven thousand, eight hundred".