212127388 has 12 divisors (see below), whose sum is σ = 404970552. Its totient is φ = 96421520.

The previous prime is 212127353. The next prime is 212127463. The reversal of 212127388 is 883721212.

212127388 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2410495 + ... + 2410582.

It is an arithmetic number, because the mean of its divisors is an integer number (33747546).

Almost surely, 2^212127388 is an apocalyptic number.

It is an amenable number.

212127388 is a deficient number, since it is larger than the sum of its proper divisors (192843164).

212127388 is a wasteful number, since it uses less digits than its factorization.

212127388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4821092 (or 4821090 counting only the distinct ones).

The product of its digits is 10752, while the sum is 34.

The square root of 212127388 is about 14564.5936434904. The cubic root of 212127388 is about 596.3926027569.

The spelling of 212127388 in words is "two hundred twelve million, one hundred twenty-seven thousand, three hundred eighty-eight".