12015534423363 has 16 divisors (see below), whose sum is σ = 16043669740800. Its totient is φ = 7998881886560.

The previous prime is 12015534423353. The next prime is 12015534423377. The reversal of 12015534423363 is 36332443551021.

It is a cyclic number.

It is not a de Polignac number, because 12015534423363 - 2¹² = 12015534419267 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12015534423353) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11003068 + ... + 12045686.

It is an arithmetic number, because the mean of its divisors is an integer number (1002729358800).

Almost surely, 2^{12015534423363} is an apocalyptic number.

12015534423363 is a deficient number, since it is larger than the sum of its proper divisors (4028135317437).

12015534423363 is a wasteful number, since it uses less digits than its factorization.

12015534423363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1048122.

The product of its (nonzero) digits is 777600, while the sum is 42.

Adding to 12015534423363 its reverse (36332443551021), we get a palindrome (48347977974384).

The spelling of 12015534423363 in words is "twelve trillion, fifteen billion, five hundred thirty-four million, four hundred twenty-three thousand, three hundred sixty-three".