102312111300 has 144 divisors (see below), whose sum is σ = 338774983680. Its totient is φ = 23353626240.

The previous prime is 102312111287. The next prime is 102312111323. The reversal of 102312111300 is 3111213201.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 102312111300.

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 47 ways as a sum of consecutive naturals, for example, 1518937 + ... + 1584863.

Almost surely, 2^102312111300 is an apocalyptic number.

102312111300 is a gapful number since it is divisible by the number (10) 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 102312111300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169387491840).

102312111300 is an abundant number, since it is smaller than the sum of its proper divisors (236462872380).

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

102312111300 is a wasteful number, since it uses less digits than its factorization.

102312111300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66690 (or 66683 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 102312111300 its reverse (3111213201), we get a palindrome (105423324501).

The spelling of 102312111300 in words is "one hundred two billion, three hundred twelve million, one hundred eleven thousand, three hundred".