1216066705060 has 12 divisors (see below), whose sum is σ = 2553740080668. Its totient is φ = 486426682016.

The previous prime is 1216066705039. The next prime is 1216066705141. The reversal of 1216066705060 is 605076606121.

It can be written as a sum of positive squares in 2 ways, for example, as 510816101796 + 705250603264 = 714714^2 + 839792^2 .

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 3 ways as a sum of consecutive naturals, for example, 30401667607 + ... + 30401667646.

It is an arithmetic number, because the mean of its divisors is an integer number (212811673389).

Almost surely, 2^{1216066705060} is an apocalyptic number.

1216066705060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1216066705060 is an abundant number, since it is smaller than the sum of its proper divisors (1337673375608).

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

1216066705060 is a wasteful number, since it uses less digits than its factorization.

1216066705060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60803335262 (or 60803335260 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 40.

The spelling of 1216066705060 in words is "one trillion, two hundred sixteen billion, sixty-six million, seven hundred five thousand, sixty".