212333222130 has 256 divisors, whose sum is σ = 543791356416. Its totient is φ = 53003059200.

The previous prime is 212333222099. The next prime is 212333222131. The reversal of 212333222130 is 31222333212.

It is a self number, because there is not a number n which added to its sum of digits gives 212333222130.

It is not an unprimeable number, because it can be changed into a prime (212333222131) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 669820732 + ... + 669821048.

It is an arithmetic number, because the mean of its divisors is an integer number (2124184986).

Almost surely, 2^212333222130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212333222130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (271895678208).

212333222130 is an abundant number, since it is smaller than the sum of its proper divisors (331458134286).

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

212333222130 is a wasteful number, since it uses less digits than its factorization.

212333222130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 621.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 212333222130 its reverse (31222333212), we get a palindrome (243555555342).

The spelling of 212333222130 in words is "two hundred twelve billion, three hundred thirty-three million, two hundred twenty-two thousand, one hundred thirty".