11331320232012 has 96 divisors (see below), whose sum is σ = 30099029151744. Its totient is φ = 3284265019200.

The previous prime is 11331320231983. The next prime is 11331320232013. The reversal of 11331320232012 is 21023202313311.

It is not an unprimeable number, because it can be changed into a prime (11331320232013) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 63323587 + ... + 63502277.

It is an arithmetic number, because the mean of its divisors is an integer number (313531553664).

Almost surely, 2^{11331320232012} is an apocalyptic number.

11331320232012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11331320232012 is an abundant number, since it is smaller than the sum of its proper divisors (18767708919732).

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

11331320232012 is a wasteful number, since it uses less digits than its factorization.

11331320232012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199619 (or 199617 counting only the distinct ones).

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

Adding to 11331320232012 its reverse (21023202313311), we get a palindrome (32354522545323).

The spelling of 11331320232012 in words is "eleven trillion, three hundred thirty-one billion, three hundred twenty million, two hundred thirty-two thousand, twelve".