111342123612 has 24 divisors (see below), whose sum is σ = 288664765200. Its totient is φ = 37114041168.

The previous prime is 111342123547. The next prime is 111342123653. The reversal of 111342123612 is 216321243111.

111342123612 is a `hidden beast` number, since 1 + 1 + 1 + 3 + 4 + 21 + 23 + 612 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 515472687 + ... + 515472902.

It is an arithmetic number, because the mean of its divisors is an integer number (12027698550).

Almost surely, 2^111342123612 is an apocalyptic number.

111342123612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111342123612 is an abundant number, since it is smaller than the sum of its proper divisors (177322641588).

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

111342123612 is a wasteful number, since it uses less digits than its factorization.

111342123612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1030945602 (or 1030945594 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

Adding to 111342123612 its reverse (216321243111), we get a palindrome (327663366723).

The spelling of 111342123612 in words is "one hundred eleven billion, three hundred forty-two million, one hundred twenty-three thousand, six hundred twelve".