212020322130 has 192 divisors, whose sum is σ = 577333785600. Its totient is φ = 53922516480.

The previous prime is 212020322123. The next prime is 212020322131. The reversal of 212020322130 is 31223020212.

212020322130 is a `hidden beast` number, since 212 + 0 + 2 + 0 + 322 + 130 = 666.

It is a super-2 number, since 2×212020322130² (a number of 23 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 (212020322131) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 59907901 + ... + 59911439.

It is an arithmetic number, because the mean of its divisors is an integer number (3006946800).

Almost surely, 2^212020322130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212020322130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (288666892800).

212020322130 is an abundant number, since it is smaller than the sum of its proper divisors (365313463470).

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

212020322130 is a wasteful number, since it uses less digits than its factorization.

212020322130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3889 (or 3886 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 212020322130 its reverse (31223020212), we get a palindrome (243243342342).

The spelling of 212020322130 in words is "two hundred twelve billion, twenty million, three hundred twenty-two thousand, one hundred thirty".