212322221222130 has 128 divisors (see below), whose sum is σ = 574797441024000. Its totient is φ = 55760524747200.

The previous prime is 212322221222087. The next prime is 212322221222143. The reversal of 212322221222130 is 31222122223212.

212322221222130 is a `hidden beast` number, since 2 + 1 + 2 + 3 + 222 + 212 + 221 + 3 + 0 = 666.

It is a super-2 number, since 2×212322221222130² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 212322221222094 and 212322221222103.

It is an unprimeable number.

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, 11384971 + ... + 23542769.

It is an arithmetic number, because the mean of its divisors is an integer number (4490605008000).

Almost surely, 2^{212322221222130} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212322221222130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (287398720512000).

212322221222130 is an abundant number, since it is smaller than the sum of its proper divisors (362475219801870).

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

212322221222130 is a wasteful number, since it uses less digits than its factorization.

212322221222130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12158797 (or 12158791 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 212322221222130 its reverse (31222122223212), we get a palindrome (243544343445342).

The spelling of 212322221222130 in words is "two hundred twelve trillion, three hundred twenty-two billion, two hundred twenty-one million, two hundred twenty-two thousand, one hundred thirty".