1131322331212 has 24 divisors (see below), whose sum is σ = 2074465163232. Its totient is φ = 538822099200.

The previous prime is 1131322331207. The next prime is 1131322331261. The reversal of 1131322331212 is 2121332231311.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25490239 + ... + 25534582.

It is an arithmetic number, because the mean of its divisors is an integer number (86436048468).

Almost surely, 2^{1131322331212} is an apocalyptic number.

It is an amenable number.

1131322331212 is a deficient number, since it is larger than the sum of its proper divisors (943142832020).

1131322331212 is a wasteful number, since it uses less digits than its factorization.

1131322331212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51025089 (or 51025087 counting only the distinct ones).

The product of its digits is 1296, while the sum is 25.

Adding to 1131322331212 its reverse (2121332231311), we get a palindrome (3252654562523).

Subtracting 1131322331212 from its reverse (2121332231311), we obtain a palindrome (990009900099).

The spelling of 1131322331212 in words is "one trillion, one hundred thirty-one billion, three hundred twenty-two million, three hundred thirty-one thousand, two hundred twelve".