112211212011210 has 128 divisors (see below), whose sum is σ = 322380602933760. Its totient is φ = 27609819729408.

The previous prime is 112211212011053. The next prime is 112211212011211. The reversal of 112211212011210 is 12110212112211.

It is a happy number.

112211212011210 is a `hidden beast` number, since 1 + 1 + 221 + 121 + 201 + 121 + 0 = 666.

112211212011210 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×112211212011210² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (112211212011211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1907742 + ... + 15101718.

It is an arithmetic number, because the mean of its divisors is an integer number (2518598460420).

Almost surely, 2^{112211212011210} is an apocalyptic number.

112211212011210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 112211212011210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161190301466880).

112211212011210 is an abundant number, since it is smaller than the sum of its proper divisors (210169390922550).

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

112211212011210 is a wasteful number, since it uses less digits than its factorization.

112211212011210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13196429 (or 13196423 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 112211212011210 its reverse (12110212112211), we get a palindrome (124321424123421).

The spelling of 112211212011210 in words is "one hundred twelve trillion, two hundred eleven billion, two hundred twelve million, eleven thousand, two hundred ten".