12315360412522 has 16 divisors (see below), whose sum is σ = 18611872634880. Its totient is φ = 6111431117568.

The previous prime is 12315360412393. The next prime is 12315360412549. The reversal of 12315360412522 is 22521406351321.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6188778 + ... + 7932949.

It is an arithmetic number, because the mean of its divisors is an integer number (1163242039680).

Almost surely, 2^{12315360412522} is an apocalyptic number.

12315360412522 is a deficient number, since it is larger than the sum of its proper divisors (6296512222358).

12315360412522 is a wasteful number, since it uses less digits than its factorization.

12315360412522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14125005.

The product of its (nonzero) digits is 86400, while the sum is 37.

Adding to 12315360412522 its reverse (22521406351321), we get a palindrome (34836766763843).

The spelling of 12315360412522 in words is "twelve trillion, three hundred fifteen billion, three hundred sixty million, four hundred twelve thousand, five hundred twenty-two".