12111310332 has 36 divisors (see below), whose sum is σ = 33397856856. Its totient is φ = 3670093920.

The previous prime is 12111310327. The next prime is 12111310411. The reversal of 12111310332 is 23301311121.

12111310332 is a `hidden beast` number, since 1 + 21 + 1 + 1 + 310 + 332 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15291663 + ... + 15292454.

It is an arithmetic number, because the mean of its divisors is an integer number (927718246).

Almost surely, 2^12111310332 is an apocalyptic number.

12111310332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12111310332 is an abundant number, since it is smaller than the sum of its proper divisors (21286546524).

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

12111310332 is a wasteful number, since it uses less digits than its factorization.

12111310332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30584138 (or 30584133 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 12111310332 its reverse (23301311121), we get a palindrome (35412621453).

The spelling of 12111310332 in words is "twelve billion, one hundred eleven million, three hundred ten thousand, three hundred thirty-two".