12431522460 has 144 divisors (see below), whose sum is σ = 40533484320. Its totient is φ = 2838528000.

The previous prime is 12431522429. The next prime is 12431522461. The reversal of 12431522460 is 6422513421.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12431522461) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4140960 + ... + 4143960.

It is an arithmetic number, because the mean of its divisors is an integer number (281482530).

Almost surely, 2^12431522460 is an apocalyptic number.

12431522460 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 12431522460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20266742160).

12431522460 is an abundant number, since it is smaller than the sum of its proper divisors (28101961860).

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

12431522460 is a wasteful number, since it uses less digits than its factorization.

12431522460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4436 (or 4427 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The spelling of 12431522460 in words is "twelve billion, four hundred thirty-one million, five hundred twenty-two thousand, four hundred sixty".