12651212653312 has 36 divisors (see below), whose sum is σ = 25254753234480. Its totient is φ = 6325168790528.

The previous prime is 12651212653237. The next prime is 12651212653333. The reversal of 12651212653312 is 21335621215621.

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, 2014998 + ... + 5418730.

It is an arithmetic number, because the mean of its divisors is an integer number (701520923180).

Almost surely, 2^{12651212653312} is an apocalyptic number.

It is an amenable number.

12651212653312 is a deficient number, since it is larger than the sum of its proper divisors (12603540581168).

12651212653312 is an equidigital number, since it uses as much as digits as its factorization.

12651212653312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3418268 (or 3418254 counting only the distinct ones).

The product of its digits is 129600, while the sum is 40.

Adding to 12651212653312 its reverse (21335621215621), we get a palindrome (33986833868933).

The spelling of 12651212653312 in words is "twelve trillion, six hundred fifty-one billion, two hundred twelve million, six hundred fifty-three thousand, three hundred twelve".