212113328 has 40 divisors (see below), whose sum is σ = 470460960. Its totient is φ = 90754560.

The previous prime is 212113327. The next prime is 212113333. The reversal of 212113328 is 823311212.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (212113327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89438 + ... + 91778.

It is an arithmetic number, because the mean of its divisors is an integer number (11761524).

Almost surely, 2^212113328 is an apocalyptic number.

212113328 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

212113328 is an abundant number, since it is smaller than the sum of its proper divisors (258347632).

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

212113328 is a wasteful number, since it uses less digits than its factorization.

212113328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3165 (or 3159 counting only the distinct ones).

The product of its digits is 576, while the sum is 23.

The square root of 212113328 is about 14564.1109581052. The cubic root of 212113328 is about 596.3794259808.

The spelling of 212113328 in words is "two hundred twelve million, one hundred thirteen thousand, three hundred twenty-eight".