1131032323212 has 144 divisors (see below), whose sum is σ = 3064018062336. Its totient is φ = 323966966400.

The previous prime is 1131032323207. The next prime is 1131032323231. The reversal of 1131032323212 is 2123232301311.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 1643338 + ... + 2227694.

Almost surely, 2^{1131032323212} is an apocalyptic number.

1131032323212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1131032323212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1532009031168).

1131032323212 is an abundant number, since it is smaller than the sum of its proper divisors (1932985739124).

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

1131032323212 is a wasteful number, since it uses less digits than its factorization.

1131032323212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 584460 (or 584447 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 1131032323212 its reverse (2123232301311), we get a palindrome (3254264624523).

The spelling of 1131032323212 in words is "one trillion, one hundred thirty-one billion, thirty-two million, three hundred twenty-three thousand, two hundred twelve".