111012300231012 has 72 divisors (see below), whose sum is σ = 288823760497272. Its totient is φ = 35925889305600.

The previous prime is 111012300230983. The next prime is 111012300231017. The reversal of 111012300231012 is 210132003210111.

111012300231012 is a `hidden beast` number, since 1 + 110 + 1 + 230 + 0 + 2 + 310 + 12 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 67260107903076 + 43752192327936 = 8201226^2 + 6614544^2 .

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

It is not an unprimeable number, because it can be changed into a prime (111012300231017) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 89779189 + ... + 91007292.

Almost surely, 2^{111012300231012} is an apocalyptic number.

111012300231012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111012300231012 is an abundant number, since it is smaller than the sum of its proper divisors (177811460266260).

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

111012300231012 is a wasteful number, since it uses less digits than its factorization.

111012300231012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180786989 (or 180786984 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 111012300231012 its reverse (210132003210111), we get a palindrome (321144303441123).

The spelling of 111012300231012 in words is "one hundred eleven trillion, twelve billion, three hundred million, two hundred thirty-one thousand, twelve".