12131032200 has 192 divisors, whose sum is σ = 43790232960. Its totient is φ = 2720440320.

The previous prime is 12131032187. The next prime is 12131032213. The reversal of 12131032200 is 223013121.

It is an interprime number because it is at equal distance from previous prime (12131032187) and next prime (12131032213).

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 12131032200.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 195352 + ... + 249848.

It is an arithmetic number, because the mean of its divisors is an integer number (228074130).

Almost surely, 2^12131032200 is an apocalyptic number.

12131032200 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 12131032200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21895116480).

12131032200 is an abundant number, since it is smaller than the sum of its proper divisors (31659200760).

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

12131032200 is a wasteful number, since it uses less digits than its factorization.

12131032200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54576 (or 54567 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 12131032200 its reverse (223013121), we get a palindrome (12354045321).

The spelling of 12131032200 in words is "twelve billion, one hundred thirty-one million, thirty-two thousand, two hundred".