1209804746416 has 240 divisors, whose sum is σ = 2792479269888. Its totient is φ = 506181312000.

The previous prime is 1209804746369. The next prime is 1209804746419. The reversal of 1209804746416 is 6146474089021.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1209804746419) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2313201931 + ... + 2313202453.

Almost surely, 2^{1209804746416} is an apocalyptic number.

1209804746416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1209804746416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1396239634944).

1209804746416 is an abundant number, since it is smaller than the sum of its proper divisors (1582674523472).

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

1209804746416 is a wasteful number, since it uses less digits than its factorization.

1209804746416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000 (or 987 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 52.

The spelling of 1209804746416 in words is "one trillion, two hundred nine billion, eight hundred four million, seven hundred forty-six thousand, four hundred sixteen".