1131013233212 has 6 divisors (see below), whose sum is σ = 1979273158128. Its totient is φ = 565506616604.

The previous prime is 1131013233211. The next prime is 1131013233241. The reversal of 1131013233212 is 2123323101311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131013233211) by changing a digit.

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 as a sum of consecutive naturals, namely, 141376654148 + ... + 141376654155.

It is an arithmetic number, because the mean of its divisors is an integer number (329878859688).

Almost surely, 2^{1131013233212} is an apocalyptic number.

It is an amenable number.

1131013233212 is a deficient number, since it is larger than the sum of its proper divisors (848259924916).

1131013233212 is a wasteful number, since it uses less digits than its factorization.

1131013233212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282753308307 (or 282753308305 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 1131013233212 its reverse (2123323101311), we get a palindrome (3254336334523).

The spelling of 1131013233212 in words is "one trillion, one hundred thirty-one billion, thirteen million, two hundred thirty-three thousand, two hundred twelve".