12211630775728 has 20 divisors (see below), whose sum is σ = 23660153375488. Its totient is φ = 6105784743360.

The previous prime is 12211630775723. The next prime is 12211630775767. The reversal of 12211630775728 is 82757703611221.

It is a super-3 number, since 3×12211630775728³ (a number of 40 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (12211630775723) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1563793 + ... + 5183503.

Almost surely, 2^{12211630775728} is an apocalyptic number.

It is an amenable number.

12211630775728 is a deficient number, since it is larger than the sum of its proper divisors (11448522599760).

12211630775728 is a wasteful number, since it uses less digits than its factorization.

12211630775728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3830572 (or 3830566 counting only the distinct ones).

The product of its (nonzero) digits is 1975680, while the sum is 52.

The spelling of 12211630775728 in words is "twelve trillion, two hundred eleven billion, six hundred thirty million, seven hundred seventy-five thousand, seven hundred twenty-eight".