12270646067748 has 24 divisors (see below), whose sum is σ = 29555104508160. Its totient is φ = 3958272924960.

The previous prime is 12270646067747. The next prime is 12270646067759. The reversal of 12270646067748 is 84776064607221.

It is a junction number, because it is equal to n+sod(n) for n = 12270646067691 and 12270646067700.

It is not an unprimeable number, because it can be changed into a prime (12270646067747) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16492803483 + ... + 16492804226.

It is an arithmetic number, because the mean of its divisors is an integer number (1231462687840).

Almost surely, 2^{12270646067748} is an apocalyptic number.

It is an amenable number.

12270646067748 is an abundant number, since it is smaller than the sum of its proper divisors (17284458440412).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12270646067748 is a wasteful number, since it uses less digits than its factorization.

12270646067748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32985607747 (or 32985607745 counting only the distinct ones).

The product of its (nonzero) digits is 37933056, while the sum is 60.

The spelling of 12270646067748 in words is "twelve trillion, two hundred seventy billion, six hundred forty-six million, sixty-seven thousand, seven hundred forty-eight".