1331002333212 has 24 divisors (see below), whose sum is σ = 3106092400656. Its totient is φ = 443607403008.

The previous prime is 1331002333207. The next prime is 1331002333217. The reversal of 1331002333212 is 2123332001331.

It is an interprime number because it is at equal distance from previous prime (1331002333207) and next prime (1331002333217).

It is a super-2 number, since 2×1331002333212² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331002333217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7412763 + ... + 7590194.

It is an arithmetic number, because the mean of its divisors is an integer number (129420516694).

Almost surely, 2^{1331002333212} is an apocalyptic number.

1331002333212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1331002333212 is an abundant number, since it is smaller than the sum of its proper divisors (1775090067444).

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

1331002333212 is a wasteful number, since it uses less digits than its factorization.

1331002333212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15010357 (or 15010355 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 1331002333212 its reverse (2123332001331), we get a palindrome (3454334334543).

The spelling of 1331002333212 in words is "one trillion, three hundred thirty-one billion, two million, three hundred thirty-three thousand, two hundred twelve".