11312131233012 has 24 divisors (see below), whose sum is σ = 26413443856800. Its totient is φ = 3768071699616.

The previous prime is 11312131232993. The next prime is 11312131233041. The reversal of 11312131233012 is 21033213121311.

It is a congruent number.

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, 329821062 + ... + 329855357.

It is an arithmetic number, because the mean of its divisors is an integer number (1100560160700).

Almost surely, 2^{11312131233012} is an apocalyptic number.

11312131233012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11312131233012 is an abundant number, since it is smaller than the sum of its proper divisors (15101312623788).

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

11312131233012 is a wasteful number, since it uses less digits than its factorization.

11312131233012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 659677855 (or 659677853 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 24.

Adding to 11312131233012 its reverse (21033213121311), we get a palindrome (32345344354323).

It can be divided in two parts, 1131213 and 1233012, that added together give a triangular number (2364225 = T₂₁₇₄).

The spelling of 11312131233012 in words is "eleven trillion, three hundred twelve billion, one hundred thirty-one million, two hundred thirty-three thousand, twelve".