12315211121246 has 16 divisors (see below), whose sum is σ = 20216961618048. Its totient is φ = 5579823802200.

The previous prime is 12315211121207. The next prime is 12315211121281. The reversal of 12315211121246 is 64212111251321.

It is a super-3 number, since 3×12315211121246³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Curzon number.

It is a congruent 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, 899964740 + ... + 899978423.

It is an arithmetic number, because the mean of its divisors is an integer number (1263560101128).

Almost surely, 2^{12315211121246} is an apocalyptic number.

12315211121246 is a deficient number, since it is larger than the sum of its proper divisors (7901750496802).

12315211121246 is a wasteful number, since it uses less digits than its factorization.

12315211121246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1799943487.

The product of its digits is 5760, while the sum is 32.

Adding to 12315211121246 its reverse (64212111251321), we get a palindrome (76527322372567).

The spelling of 12315211121246 in words is "twelve trillion, three hundred fifteen billion, two hundred eleven million, one hundred twenty-one thousand, two hundred forty-six".