12530554019 has 8 divisors (see below), whose sum is σ = 12845426880. Its totient is φ = 12216747816.

The previous prime is 12530554013. The next prime is 12530554027. The reversal of 12530554019 is 91045503521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12530554019 - 2²⁸ = 12262118563 is a prime.

It is a super-2 number, since 2×12530554019² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12530554019.

It is not an unprimeable number, because it can be changed into a prime (12530554013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 242849 + ... + 289890.

It is an arithmetic number, because the mean of its divisors is an integer number (1605678360).

Almost surely, 2^12530554019 is an apocalyptic number.

12530554019 is a deficient number, since it is larger than the sum of its proper divisors (314872861).

12530554019 is an equidigital number, since it uses as much as digits as its factorization.

12530554019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533329.

The product of its (nonzero) digits is 27000, while the sum is 35.

The spelling of 12530554019 in words is "twelve billion, five hundred thirty million, five hundred fifty-four thousand, nineteen".