12216873256132 has 12 divisors (see below), whose sum is σ = 21389513980716. Its totient is φ = 6105583547360.

The previous prime is 12216873256127. The next prime is 12216873256153. The reversal of 12216873256132 is 23165237861221.

It can be written as a sum of positive squares in 2 ways, for example, as 6917825790976 + 5299047465156 = 2630176^2 + 2301966^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 713260543 + ... + 713277670.

It is an arithmetic number, because the mean of its divisors is an integer number (1782459498393).

Almost surely, 2^{12216873256132} is an apocalyptic number.

It is an amenable number.

12216873256132 is a deficient number, since it is larger than the sum of its proper divisors (9172640724584).

12216873256132 is a wasteful number, since it uses less digits than its factorization.

12216873256132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1426540358 (or 1426540356 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 49.

The spelling of 12216873256132 in words is "twelve trillion, two hundred sixteen billion, eight hundred seventy-three million, two hundred fifty-six thousand, one hundred thirty-two".