113211112303212 has 192 divisors, whose sum is σ = 333785938848768. Its totient is φ = 29010723840000.

The previous prime is 113211112303193. The next prime is 113211112303229. The reversal of 113211112303212 is 212303211112311.

113211112303212 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 24065508 + ... + 28382580.

It is an arithmetic number, because the mean of its divisors is an integer number (1738468431504).

Almost surely, 2^{113211112303212} is an apocalyptic number.

113211112303212 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 113211112303212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166892969424384).

113211112303212 is an abundant number, since it is smaller than the sum of its proper divisors (220574826545556).

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

113211112303212 is a wasteful number, since it uses less digits than its factorization.

113211112303212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4317480 (or 4317478 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 24.

Adding to 113211112303212 its reverse (212303211112311), we get a palindrome (325514323415523).

The spelling of 113211112303212 in words is "one hundred thirteen trillion, two hundred eleven billion, one hundred twelve million, three hundred three thousand, two hundred twelve".