111312414421212 has 48 divisors (see below), whose sum is σ = 262200589297920. Its totient is φ = 36751166299392.

The previous prime is 111312414421207. The next prime is 111312414421261. The reversal of 111312414421212 is 212124414213111.

It is a super-3 number, since 3×111312414421212³ (a number of 43 digits) contains 333 as substring.

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

It is a self number, because there is not a number n which added to its sum of digits gives 111312414421212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 296964 + ... + 14923572.

It is an arithmetic number, because the mean of its divisors is an integer number (5462512277040).

Almost surely, 2^{111312414421212} is an apocalyptic number.

111312414421212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111312414421212 is an abundant number, since it is smaller than the sum of its proper divisors (150888174876708).

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

111312414421212 is a wasteful number, since it uses less digits than its factorization.

111312414421212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14632650 (or 14632648 counting only the distinct ones).

The product of its digits is 3072, while the sum is 30.

Adding to 111312414421212 its reverse (212124414213111), we get a palindrome (323436828634323).

The spelling of 111312414421212 in words is "one hundred eleven trillion, three hundred twelve billion, four hundred fourteen million, four hundred twenty-one thousand, two hundred twelve".