12131002230000 has 200 divisors, whose sum is σ = 39165406820496. Its totient is φ = 3234528000000.

The previous prime is 12131002229981. The next prime is 12131002230043. The reversal of 12131002230000 is 3220013121.

It is a tau number, because it is divible by the number of its divisors (200).

It is a super-2 number, since 2×12131002230000² (a number of 27 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 297009580 + ... + 297050420.

Almost surely, 2^{12131002230000} is an apocalyptic number.

12131002230000 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 12131002230000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19582703410248).

12131002230000 is an abundant number, since it is smaller than the sum of its proper divisors (27034404590496).

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

12131002230000 is an equidigital number, since it uses as much as digits as its factorization.

12131002230000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50773 (or 50752 counting only the distinct ones).

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

Adding to 12131002230000 its reverse (3220013121), we get a palindrome (12134222243121).

The spelling of 12131002230000 in words is "twelve trillion, one hundred thirty-one billion, two million, two hundred thirty thousand".