1201333002320 has 60 divisors (see below), whose sum is σ = 3070100831700. Its totient is φ = 436848360960.

The previous prime is 1201333002299. The next prime is 1201333002323. The reversal of 1201333002320 is 232003331021.

It can be written as a sum of positive squares in 2 ways, for example, as 379293393424 + 822039608896 = 615868^2 + 906664^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1201333002292 and 1201333002301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201333002323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 62042645 + ... + 62062004.

It is an arithmetic number, because the mean of its divisors is an integer number (51168347195).

Almost surely, 2^{1201333002320} is an apocalyptic number.

1201333002320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1201333002320 is an abundant number, since it is smaller than the sum of its proper divisors (1868767829380).

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

1201333002320 is a wasteful number, since it uses less digits than its factorization.

1201333002320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124104684 (or 124104667 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 1201333002320 its reverse (232003331021), we get a palindrome (1433336333341).

The spelling of 1201333002320 in words is "one trillion, two hundred one billion, three hundred thirty-three million, two thousand, three hundred twenty".