12230431132520 has 32 divisors (see below), whose sum is σ = 27518666522400. Its totient is φ = 4892137524288.

The previous prime is 12230431132519. The next prime is 12230431132529. The reversal of 12230431132520 is 2523113403221.

12230431132520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (12230431132529) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5000771 + ... + 7033389.

It is an arithmetic number, because the mean of its divisors is an integer number (859958328825).

Almost surely, 2^{12230431132520} is an apocalyptic number.

12230431132520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12230431132520 is an abundant number, since it is smaller than the sum of its proper divisors (15288235389880).

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

12230431132520 is a wasteful number, since it uses less digits than its factorization.

12230431132520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2183057 (or 2183053 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

Adding to 12230431132520 its reverse (2523113403221), we get a palindrome (14753544535741).

The spelling of 12230431132520 in words is "twelve trillion, two hundred thirty billion, four hundred thirty-one million, one hundred thirty-two thousand, five hundred twenty".