12459750730542 has 24 divisors (see below), whose sum is σ = 26999450317944. Its totient is φ = 4152738899664.

The previous prime is 12459750730433. The next prime is 12459750730543. The reversal of 12459750730542 is 24503705795421.

12459750730542 is a `hidden beast` number, since 1 + 2 + 4 + 5 + 97 + 5 + 0 + 7 + 3 + 0 + 542 = 666.

It is a super-2 number, since 2×12459750730542² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12459750730543) 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, 42461713 + ... + 42754140.

It is an arithmetic number, because the mean of its divisors is an integer number (1124977096581).

Almost surely, 2^{12459750730542} is an apocalyptic number.

12459750730542 is an abundant number, since it is smaller than the sum of its proper divisors (14539699587402).

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

12459750730542 is a wasteful number, since it uses less digits than its factorization.

12459750730542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85223984 (or 85223981 counting only the distinct ones).

The product of its (nonzero) digits is 10584000, while the sum is 54.

The spelling of 12459750730542 in words is "twelve trillion, four hundred fifty-nine billion, seven hundred fifty million, seven hundred thirty thousand, five hundred forty-two".