1201333324240 has 320 divisors, whose sum is σ = 3279840076800. Its totient is φ = 400761077760.

The previous prime is 1201333324231. The next prime is 1201333324273. The reversal of 1201333324240 is 424233331021.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 1201333324199 and 1201333324208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1017216450 + ... + 1017217630.

It is an arithmetic number, because the mean of its divisors is an integer number (10249500240).

Almost surely, 2^{1201333324240} is an apocalyptic number.

1201333324240 is a gapful number since it is divisible by the number (10) 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 1201333324240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1639920038400).

1201333324240 is an abundant number, since it is smaller than the sum of its proper divisors (2078506752560).

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

1201333324240 is a wasteful number, since it uses less digits than its factorization.

1201333324240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1590 (or 1584 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 1201333324240 its reverse (424233331021), we get a palindrome (1625566655261).

The spelling of 1201333324240 in words is "one trillion, two hundred one billion, three hundred thirty-three million, three hundred twenty-four thousand, two hundred forty".