12443151204531 has 12 divisors (see below), whose sum is σ = 18011927659752. Its totient is φ = 8277670891296.

The previous prime is 12443151204521. The next prime is 12443151204557. The reversal of 12443151204531 is 13540215134421.

12443151204531 is a `hidden beast` number, since 1 + 2 + 44 + 31 + 51 + 2 + 0 + 4 + 531 = 666.

It is not a de Polignac number, because 12443151204531 - 2¹⁰ = 12443151203507 is a prime.

It is a super-2 number, since 2×12443151204531² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12443151204511) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1480265986 + ... + 1480274391.

It is an arithmetic number, because the mean of its divisors is an integer number (1500993971646).

Almost surely, 2^{12443151204531} is an apocalyptic number.

12443151204531 is a deficient number, since it is larger than the sum of its proper divisors (5568776455221).

12443151204531 is a wasteful number, since it uses less digits than its factorization.

12443151204531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2960540850 (or 2960540847 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

Adding to 12443151204531 its reverse (13540215134421), we get a palindrome (25983366338952).

The spelling of 12443151204531 in words is "twelve trillion, four hundred forty-three billion, one hundred fifty-one million, two hundred four thousand, five hundred thirty-one".