1216034218560 has 224 divisors, whose sum is σ = 4506350469120. Its totient is φ = 272036763648.

The previous prime is 1216034218537. The next prime is 1216034218577. The reversal of 1216034218560 is 658124306121.

It is a tau number, because it is divible by the number of its divisors (224).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1609240 + ... + 2240919.

Almost surely, 2^{1216034218560} is an apocalyptic number.

1216034218560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1216034218560 is an abundant number, since it is smaller than the sum of its proper divisors (3290316250560).

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

1216034218560 is a wasteful number, since it uses less digits than its factorization.

1216034218560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3850233 (or 3850223 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 39.

The spelling of 1216034218560 in words is "one trillion, two hundred sixteen billion, thirty-four million, two hundred eighteen thousand, five hundred sixty".