212013123330 has 48 divisors (see below), whose sum is σ = 518613439680. Its totient is φ = 55470078144.

The previous prime is 212013123319. The next prime is 212013123331. The reversal of 212013123330 is 33321310212.

212013123330 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 212013123297 and 212013123306.

It is not an unprimeable number, because it can be changed into a prime (212013123331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1173670 + ... + 1342209.

It is an arithmetic number, because the mean of its divisors is an integer number (10804446660).

Almost surely, 2^212013123330 is an apocalyptic number.

212013123330 is an abundant number, since it is smaller than the sum of its proper divisors (306600316350).

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

212013123330 is a wasteful number, since it uses less digits than its factorization.

212013123330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2515995 (or 2515942 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 212013123330 its reverse (33321310212), we get a palindrome (245334433542).

The spelling of 212013123330 in words is "two hundred twelve billion, thirteen million, one hundred twenty-three thousand, three hundred thirty".