212323302120 has 128 divisors (see below), whose sum is σ = 656281958400. Its totient is φ = 54926936064.

The previous prime is 212323302101. The next prime is 212323302143. The reversal of 212323302120 is 21203323212.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 378489 + ... + 753591.

It is an arithmetic number, because the mean of its divisors is an integer number (5127202800).

Almost surely, 2^212323302120 is an apocalyptic number.

212323302120 is a gapful number since it is divisible by the number (20) 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 212323302120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (328140979200).

212323302120 is an abundant number, since it is smaller than the sum of its proper divisors (443958656280).

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

212323302120 is a wasteful number, since it uses less digits than its factorization.

212323302120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375259 (or 375255 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 212323302120 its reverse (21203323212), we get a palindrome (233526625332).

The spelling of 212323302120 in words is "two hundred twelve billion, three hundred twenty-three million, three hundred two thousand, one hundred twenty".