111442310412 has 192 divisors, whose sum is σ = 282518627328. Its totient is φ = 34101760000.

The previous prime is 111442310407. The next prime is 111442310423. The reversal of 111442310412 is 214013244111.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 321159223 + ... + 321159569.

It is an arithmetic number, because the mean of its divisors is an integer number (1471451184).

Almost surely, 2^111442310412 is an apocalyptic number.

111442310412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111442310412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141259313664).

111442310412 is an abundant number, since it is smaller than the sum of its proper divisors (171076316916).

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

111442310412 is a wasteful number, since it uses less digits than its factorization.

111442310412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 800 (or 798 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

Adding to 111442310412 its reverse (214013244111), we get a palindrome (325455554523).

The spelling of 111442310412 in words is "one hundred eleven billion, four hundred forty-two million, three hundred ten thousand, four hundred twelve".