1216512283110 has 16 divisors (see below), whose sum is σ = 2919629479536. Its totient is φ = 324403275488.

The previous prime is 1216512283109. The next prime is 1216512283159. The reversal of 1216512283110 is 113822156121.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20275204689 + ... + 20275204748.

It is an arithmetic number, because the mean of its divisors is an integer number (182476842471).

Almost surely, 2^{1216512283110} is an apocalyptic number.

1216512283110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1216512283110 is an abundant number, since it is smaller than the sum of its proper divisors (1703117196426).

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

1216512283110 is a wasteful number, since it uses less digits than its factorization.

1216512283110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40550409447.

The product of its (nonzero) digits is 5760, while the sum is 33.

The spelling of 1216512283110 in words is "one trillion, two hundred sixteen billion, five hundred twelve million, two hundred eighty-three thousand, one hundred ten".