111020131232012 has 24 divisors (see below), whose sum is σ = 194415363629760. Its totient is φ = 55472896828800.

The previous prime is 111020131231847. The next prime is 111020131232111. The reversal of 111020131232012 is 210232131020111.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34493213 + ... + 37574219.

It is an arithmetic number, because the mean of its divisors is an integer number (8100640151240).

Almost surely, 2^{111020131232012} is an apocalyptic number.

It is an amenable number.

111020131232012 is a deficient number, since it is larger than the sum of its proper divisors (83395232397748).

111020131232012 is a wasteful number, since it uses less digits than its factorization.

111020131232012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3087041 (or 3087039 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 111020131232012 its reverse (210232131020111), we get a palindrome (321252262252123).

The spelling of 111020131232012 in words is "one hundred eleven trillion, twenty billion, one hundred thirty-one million, two hundred thirty-two thousand, twelve".