11312133321012 has 48 divisors (see below), whose sum is σ = 27984073420800. Its totient is φ = 3546552958560.

The previous prime is 11312133321011. The next prime is 11312133321017. The reversal of 11312133321012 is 21012333121311.

It is a super-3 number, since 3×11312133321012³ (a number of 40 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11312133321011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 178438164 + ... + 178501547.

It is an arithmetic number, because the mean of its divisors is an integer number (583001529600).

Almost surely, 2^{11312133321012} is an apocalyptic number.

11312133321012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11312133321012 is an abundant number, since it is smaller than the sum of its proper divisors (16671940099788).

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

11312133321012 is a wasteful number, since it uses less digits than its factorization.

11312133321012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356939876 (or 356939874 counting only the distinct ones).

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

Adding to 11312133321012 its reverse (21012333121311), we get a palindrome (32324466442323).

The spelling of 11312133321012 in words is "eleven trillion, three hundred twelve billion, one hundred thirty-three million, three hundred twenty-one thousand, twelve".