1131230300212 has 48 divisors (see below), whose sum is σ = 2162901596688. Its totient is φ = 515568558080.

The previous prime is 1131230300203. The next prime is 1131230300261. The reversal of 1131230300212 is 2120030321311.

It can be written as a sum of positive squares in 8 ways, for example, as 22787713936 + 1108442586276 = 150956^2 + 1052826^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1131230300212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1098883 + ... + 1862794.

It is an arithmetic number, because the mean of its divisors is an integer number (45060449931).

Almost surely, 2^{1131230300212} is an apocalyptic number.

It is an amenable number.

1131230300212 is a deficient number, since it is larger than the sum of its proper divisors (1031671296476).

1131230300212 is a wasteful number, since it uses less digits than its factorization.

1131230300212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2961876 (or 2961874 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1131230300212 its reverse (2120030321311), we get a palindrome (3251260621523).

The spelling of 1131230300212 in words is "one trillion, one hundred thirty-one billion, two hundred thirty million, three hundred thousand, two hundred twelve".