12530411442 has 48 divisors (see below), whose sum is σ = 28764042840. Its totient is φ = 3928674816.

The previous prime is 12530411419. The next prime is 12530411449. The reversal of 12530411442 is 24411403521.

12530411442 is a `hidden beast` number, since 12 + 530 + 4 + 114 + 4 + 2 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 8467496361 + 4062915081 = 92019^2 + 63741^2 .

It is a super-2 number, since 2×12530411442² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12530411449) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 518484 + ... + 542112.

Almost surely, 2^12530411442 is an apocalyptic number.

12530411442 is an abundant number, since it is smaller than the sum of its proper divisors (16233631398).

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

12530411442 is a wasteful number, since it uses less digits than its factorization.

12530411442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25387 (or 25384 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

Adding to 12530411442 its reverse (24411403521), we get a palindrome (36941814963).

The spelling of 12530411442 in words is "twelve billion, five hundred thirty million, four hundred eleven thousand, four hundred forty-two".