12302112131200 has 96 divisors (see below), whose sum is σ = 30394588812660. Its totient is φ = 4920111759360.

The previous prime is 12302112131189. The next prime is 12302112131213. The reversal of 12302112131200 is 213121120321.

It can be written as a sum of positive squares in 6 ways, for example, as 5700213550144 + 6601898581056 = 2387512^2 + 2569416^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21454632 + ... + 22020568.

Almost surely, 2^{12302112131200} is an apocalyptic number.

12302112131200 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 12302112131200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15197294406330).

12302112131200 is an abundant number, since it is smaller than the sum of its proper divisors (18092476681460).

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

12302112131200 is an equidigital number, since it uses as much as digits as its factorization.

12302112131200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572754 (or 572737 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 12302112131200 its reverse (213121120321), we get a palindrome (12515233251521).

The spelling of 12302112131200 in words is "twelve trillion, three hundred two billion, one hundred twelve million, one hundred thirty-one thousand, two hundred".