12534260542 has 4 divisors (see below), whose sum is σ = 18801390816. Its totient is φ = 6267130270.

The previous prime is 12534260483. The next prime is 12534260567. The reversal of 12534260542 is 24506243521.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 12534260498 and 12534260507.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3133565134 + ... + 3133565137.

It is an arithmetic number, because the mean of its divisors is an integer number (4700347704).

Almost surely, 2^12534260542 is an apocalyptic number.

12534260542 is a deficient number, since it is larger than the sum of its proper divisors (6267130274).

12534260542 is an equidigital number, since it uses as much as digits as its factorization.

12534260542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6267130273.

The product of its (nonzero) digits is 57600, while the sum is 34.

The spelling of 12534260542 in words is "twelve billion, five hundred thirty-four million, two hundred sixty thousand, five hundred forty-two".