1203216768 has 320 divisors, whose sum is σ = 3939566400. Its totient is φ = 362299392.

The previous prime is 1203216767. The next prime is 1203216787. The reversal of 1203216768 is 8676123021.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1203216761) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 10647880 + ... + 10647992.

It is an arithmetic number, because the mean of its divisors is an integer number (12311145).

Almost surely, 2^1203216768 is an apocalyptic number.

1203216768 is a gapful number since it is divisible by the number (18) 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 1203216768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1969783200).

1203216768 is an abundant number, since it is smaller than the sum of its proper divisors (2736349632).

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

1203216768 is a wasteful number, since it uses less digits than its factorization.

1203216768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231 (or 210 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 1203216768 is about 34687.4151242205. The cubic root of 1203216768 is about 1063.6072570124.

Adding to 1203216768 its reverse (8676123021), we get a palindrome (9879339789).

The spelling of 1203216768 in words is "one billion, two hundred three million, two hundred sixteen thousand, seven hundred sixty-eight".