12111200102320 has 160 divisors (see below), whose sum is σ = 31382235979776. Its totient is φ = 4308961459200.

The previous prime is 12111200102317. The next prime is 12111200102347. The reversal of 12111200102320 is 2320100211121.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 12111200102294 and 12111200102303.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 130940890 + ... + 131033350.

Almost surely, 2^{12111200102320} is an apocalyptic number.

12111200102320 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 12111200102320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15691117989888).

12111200102320 is an abundant number, since it is smaller than the sum of its proper divisors (19271035877456).

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

12111200102320 is a wasteful number, since it uses less digits than its factorization.

12111200102320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95699 (or 95693 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 12111200102320 its reverse (2320100211121), we get a palindrome (14431300313441).

The spelling of 12111200102320 in words is "twelve trillion, one hundred eleven billion, two hundred million, one hundred two thousand, three hundred twenty".