1216765676132 has 24 divisors (see below), whose sum is σ = 2298537864000. Its totient is φ = 561864808736.

The previous prime is 1216765676083. The next prime is 1216765676143. The reversal of 1216765676132 is 2316765676121.

It is a super-3 number, since 3×1216765676132³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 228026882 + ... + 228032217.

It is an arithmetic number, because the mean of its divisors is an integer number (95772411000).

Almost surely, 2^{1216765676132} is an apocalyptic number.

It is an amenable number.

1216765676132 is a deficient number, since it is larger than the sum of its proper divisors (1081772187868).

1216765676132 is a wasteful number, since it uses less digits than its factorization.

1216765676132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456059155 (or 456059153 counting only the distinct ones).

The product of its digits is 3810240, while the sum is 53.

The spelling of 1216765676132 in words is "one trillion, two hundred sixteen billion, seven hundred sixty-five million, six hundred seventy-six thousand, one hundred thirty-two".