212320120330 has 32 divisors (see below), whose sum is σ = 391181166720. Its totient is φ = 82949307840.

The previous prime is 212320120301. The next prime is 212320120333. The reversal of 212320120330 is 33021023212.

It is a junction number, because it is equal to n+sod(n) for n = 212320120298 and 212320120307.

It is not an unprimeable number, because it can be changed into a prime (212320120333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1321425 + ... + 1473364.

It is an arithmetic number, because the mean of its divisors is an integer number (12224411460).

Almost surely, 2^212320120330 is an apocalyptic number.

212320120330 is a deficient number, since it is larger than the sum of its proper divisors (178861046390).

212320120330 is a wasteful number, since it uses less digits than its factorization.

212320120330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2794974.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 212320120330 its reverse (33021023212), we get a palindrome (245341143542).

The spelling of 212320120330 in words is "two hundred twelve billion, three hundred twenty million, one hundred twenty thousand, three hundred thirty".