12230531240000 has 140 divisors (see below), whose sum is σ = 31067447756268. Its totient is φ = 4772889600000.

The previous prime is 12230531239987. The next prime is 12230531240029. The reversal of 12230531240000 is 4213503221.

It can be written as a sum of positive squares in 10 ways, for example, as 9894598042624 + 2335933197376 = 3145568^2 + 1528376^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2088821 + ... + 5368820.

Almost surely, 2^{12230531240000} is an apocalyptic number.

12230531240000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12230531240000 is an abundant number, since it is smaller than the sum of its proper divisors (18836916516268).

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

12230531240000 is an frugal number, since it uses more digits than its factorization.

12230531240000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7457714 (or 7457689 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 12230531240000 its reverse (4213503221), we get a palindrome (12234744743221).

The spelling of 12230531240000 in words is "twelve trillion, two hundred thirty billion, five hundred thirty-one million, two hundred forty thousand".