1331203333122 has 96 divisors (see below), whose sum is σ = 3188312487360. Its totient is φ = 398895027840.

The previous prime is 1331203333067. The next prime is 1331203333127. The reversal of 1331203333122 is 2213333021331.

1331203333122 is a `hidden beast` number, since 1 + 3 + 3 + 1 + 203 + 333 + 122 = 666.

It is not an unprimeable number, because it can be changed into a prime (1331203333127) 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, 1026672 + ... + 1927812.

It is an arithmetic number, because the mean of its divisors is an integer number (33211588410).

Almost surely, 2^{1331203333122} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1331203333122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1594156243680).

1331203333122 is an abundant number, since it is smaller than the sum of its proper divisors (1857109154238).

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

1331203333122 is a wasteful number, since it uses less digits than its factorization.

1331203333122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 901328 (or 901325 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 27.

Adding to 1331203333122 its reverse (2213333021331), we get a palindrome (3544536354453).

The spelling of 1331203333122 in words is "one trillion, three hundred thirty-one billion, two hundred three million, three hundred thirty-three thousand, one hundred twenty-two".