12131010324 has 36 divisors (see below), whose sum is σ = 30712246656. Its totient is φ = 4037373648.

The previous prime is 12131010323. The next prime is 12131010361. The reversal of 12131010324 is 42301013121.

12131010324 is a `hidden beast` number, since 1 + 21 + 310 + 10 + 324 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×12131010324² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 12131010297 and 12131010306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12131010323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 238884 + ... + 285179.

Almost surely, 2^12131010324 is an apocalyptic number.

It is an amenable number.

12131010324 is an abundant number, since it is smaller than the sum of its proper divisors (18581236332).

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

12131010324 is a wasteful number, since it uses less digits than its factorization.

12131010324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 524716 (or 524711 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 12131010324 its reverse (42301013121), we get a palindrome (54432023445).

The spelling of 12131010324 in words is "twelve billion, one hundred thirty-one million, ten thousand, three hundred twenty-four".