12305200534 has 16 divisors (see below), whose sum is σ = 20282764176. Its totient is φ = 5552444800.

The previous prime is 12305200529. The next prime is 12305200591. The reversal of 12305200534 is 43500250321.

It is a junction number, because it is equal to n+sod(n) for n = 12305200499 and 12305200508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2038327 + ... + 2044354.

It is an arithmetic number, because the mean of its divisors is an integer number (1267672761).

Almost surely, 2^12305200534 is an apocalyptic number.

12305200534 is a deficient number, since it is larger than the sum of its proper divisors (7977563642).

12305200534 is a wasteful number, since it uses less digits than its factorization.

12305200534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4082831.

The product of its (nonzero) digits is 3600, while the sum is 25.

Adding to 12305200534 its reverse (43500250321), we get a palindrome (55805450855).

The spelling of 12305200534 in words is "twelve billion, three hundred five million, two hundred thousand, five hundred thirty-four".