1212311103330 has 32 divisors (see below), whose sum is σ = 2910107736000. Its totient is φ = 323220617792.

The previous prime is 1212311103307. The next prime is 1212311103347. The reversal of 1212311103330 is 333011132121.

It is a happy number.

It is a super-2 number, since 2×1212311103330² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1212311103297 and 1212311103306.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3738180 + ... + 4049519.

It is an arithmetic number, because the mean of its divisors is an integer number (90940866750).

Almost surely, 2^{1212311103330} is an apocalyptic number.

1212311103330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1212311103330 is an abundant number, since it is smaller than the sum of its proper divisors (1697796632670).

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

1212311103330 is a wasteful number, since it uses less digits than its factorization.

1212311103330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7792898.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 1212311103330 its reverse (333011132121), we get a palindrome (1545322235451).

The spelling of 1212311103330 in words is "one trillion, two hundred twelve billion, three hundred eleven million, one hundred three thousand, three hundred thirty".