212323210330 has 64 divisors (see below), whose sum is σ = 476633548800. Its totient is φ = 66158222400.

The previous prime is 212323210283. The next prime is 212323210331. The reversal of 212323210330 is 33012323212.

212323210330 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×212323210330² (a number of 23 digits) contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (212323210331) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2554771 + ... + 2636569.

It is an arithmetic number, because the mean of its divisors is an integer number (7447399200).

Almost surely, 2^212323210330 is an apocalyptic number.

212323210330 is an abundant number, since it is smaller than the sum of its proper divisors (264310338470).

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

212323210330 is a wasteful number, since it uses less digits than its factorization.

212323210330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85195.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 212323210330 its reverse (33012323212), we get a palindrome (245335533542).

The spelling of 212323210330 in words is "two hundred twelve billion, three hundred twenty-three million, two hundred ten thousand, three hundred thirty".