111030412212 has 144 divisors (see below), whose sum is σ = 294242667264. Its totient is φ = 35272800000.

The previous prime is 111030412183. The next prime is 111030412237. The reversal of 111030412212 is 212214030111.

111030412212 is a `hidden beast` number, since 1 + 1 + 10 + 30 + 412 + 212 = 666.

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 47 ways as a sum of consecutive naturals, for example, 10419087 + ... + 10429737.

It is an arithmetic number, because the mean of its divisors is an integer number (2043351856).

Almost surely, 2^111030412212 is an apocalyptic number.

111030412212 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 111030412212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147121333632).

111030412212 is an abundant number, since it is smaller than the sum of its proper divisors (183212255052).

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

111030412212 is a wasteful number, since it uses less digits than its factorization.

111030412212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10870 (or 10865 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 111030412212 its reverse (212214030111), we get a palindrome (323244442323).

The spelling of 111030412212 in words is "one hundred eleven billion, thirty million, four hundred twelve thousand, two hundred twelve".