1311234233212 has 6 divisors (see below), whose sum is σ = 2294659908128. Its totient is φ = 655617116604.

The previous prime is 1311234233209. The next prime is 1311234233213. The reversal of 1311234233212 is 2123324321131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311234233213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163904279148 + ... + 163904279155.

Almost surely, 2^{1311234233212} is an apocalyptic number.

It is an amenable number.

1311234233212 is a deficient number, since it is larger than the sum of its proper divisors (983425674916).

1311234233212 is a wasteful number, since it uses less digits than its factorization.

1311234233212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327808558307 (or 327808558305 counting only the distinct ones).

The product of its digits is 5184, while the sum is 28.

Adding to 1311234233212 its reverse (2123324321131), we get a palindrome (3434558554343).

The spelling of 1311234233212 in words is "one trillion, three hundred eleven billion, two hundred thirty-four million, two hundred thirty-three thousand, two hundred twelve".