212111201323120 has 40 divisors (see below), whose sum is σ = 537991137903600. Its totient is φ = 77131345935360.

The previous prime is 212111201323031. The next prime is 212111201323129. The reversal of 212111201323120 is 21323102111212.

It is a happy number.

212111201323120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 212111201323091 and 212111201323100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212111201323129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120517727145 + ... + 120517728904.

It is an arithmetic number, because the mean of its divisors is an integer number (13449778447590).

Almost surely, 2^{212111201323120} is an apocalyptic number.

212111201323120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212111201323120 is an abundant number, since it is smaller than the sum of its proper divisors (325879936580480).

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

212111201323120 is a wasteful number, since it uses less digits than its factorization.

212111201323120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241035456073 (or 241035456067 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 212111201323120 its reverse (21323102111212), we get a palindrome (233434303434332).

The spelling of 212111201323120 in words is "two hundred twelve trillion, one hundred eleven billion, two hundred one million, three hundred twenty-three thousand, one hundred twenty".