1213333240132 has 18 divisors (see below), whose sum is σ = 2299230593898. Its totient is φ = 559999956672.

The previous prime is 1213333240103. The next prime is 1213333240139. The reversal of 1213333240132 is 2310423333121.

It can be written as a sum of positive squares in 3 ways, for example, as 546437376 + 1212786802756 = 23376^2 + 1101266^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1213333240132.

It is not an unprimeable number, because it can be changed into a prime (1213333240139) 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 5 ways as a sum of consecutive naturals, for example, 897435153 + ... + 897436504.

Almost surely, 2^{1213333240132} is an apocalyptic number.

It is an amenable number.

1213333240132 is a deficient number, since it is larger than the sum of its proper divisors (1085897353766).

1213333240132 is a wasteful number, since it uses less digits than its factorization.

1213333240132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1794871687 (or 1794871672 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 1213333240132 its reverse (2310423333121), we get a palindrome (3523756573253).

The spelling of 1213333240132 in words is "one trillion, two hundred thirteen billion, three hundred thirty-three million, two hundred forty thousand, one hundred thirty-two".