1313321233212 has 48 divisors (see below), whose sum is σ = 3408880194720. Its totient is φ = 437262892416.

The previous prime is 1313321233187. The next prime is 1313321233243. The reversal of 1313321233212 is 2123321233131.

1313321233212 is a `hidden beast` number, since 1 + 3 + 1 + 3 + 321 + 2 + 332 + 1 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7002183 + ... + 7187294.

It is an arithmetic number, because the mean of its divisors is an integer number (71018337390).

Almost surely, 2^{1313321233212} is an apocalyptic number.

1313321233212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1313321233212 is an abundant number, since it is smaller than the sum of its proper divisors (2095558961508).

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

1313321233212 is a wasteful number, since it uses less digits than its factorization.

1313321233212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14190347 (or 14190339 counting only the distinct ones).

The product of its digits is 3888, while the sum is 27.

Adding to 1313321233212 its reverse (2123321233131), we get a palindrome (3436642466343).

The spelling of 1313321233212 in words is "one trillion, three hundred thirteen billion, three hundred twenty-one million, two hundred thirty-three thousand, two hundred twelve".