212113330 has 32 divisors (see below), whose sum is σ = 448555968. Its totient is φ = 71198400.

The previous prime is 212113327. The next prime is 212113333. The reversal of 212113330 is 33311212.

212113330 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (212113327) and next prime (212113333).

It is not an unprimeable number, because it can be changed into a prime (212113333) 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, 72736 + ... + 75595.

It is an arithmetic number, because the mean of its divisors is an integer number (14017374).

Almost surely, 2^212113330 is an apocalyptic number.

212113330 is an abundant number, since it is smaller than the sum of its proper divisors (236442638).

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

212113330 is a wasteful number, since it uses less digits than its factorization.

212113330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148362.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 212113330 is about 14564.1110267671. Note that the first 3 decimals coincide. The cubic root of 212113330 is about 596.3794278552.

Adding to 212113330 its reverse (33311212), we get a palindrome (245424542).

It can be divided in two parts, 2121 and 13330, that added together give a palindrome (15451).

The spelling of 212113330 in words is "two hundred twelve million, one hundred thirteen thousand, three hundred thirty".