1132312113212 has 48 divisors (see below), whose sum is σ = 2363404592640. Its totient is φ = 464115085632.

The previous prime is 1132312113209. The next prime is 1132312113217. The reversal of 1132312113212 is 2123112132311.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1132312113217) 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 in 15 ways as a sum of consecutive naturals, for example, 4824203 + ... + 5053469.

It is an arithmetic number, because the mean of its divisors is an integer number (49237595680).

Almost surely, 2^{1132312113212} is an apocalyptic number.

It is an amenable number.

1132312113212 is an abundant number, since it is smaller than the sum of its proper divisors (1231092479428).

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

1132312113212 is a wasteful number, since it uses less digits than its factorization.

1132312113212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236970 (or 236968 counting only the distinct ones).

The product of its digits is 432, while the sum is 23.

Adding to 1132312113212 its reverse (2123112132311), we get a palindrome (3255424245523).

The spelling of 1132312113212 in words is "one trillion, one hundred thirty-two billion, three hundred twelve million, one hundred thirteen thousand, two hundred twelve".