212684370 has 32 divisors (see below), whose sum is σ = 511011072. Its totient is φ = 56652672.

The previous prime is 212684359. The next prime is 212684371. The reversal of 212684370 is 73486212.

212684370 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (212684371) 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, 27559 + ... + 34421.

It is an arithmetic number, because the mean of its divisors is an integer number (15969096).

Almost surely, 2^212684370 is an apocalyptic number.

212684370 is an abundant number, since it is smaller than the sum of its proper divisors (298326702).

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

212684370 is a wasteful number, since it uses less digits than its factorization.

212684370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7906.

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 212684370 is about 14583.7022048587. The cubic root of 212684370 is about 596.9141284254.

The spelling of 212684370 in words is "two hundred twelve million, six hundred eighty-four thousand, three hundred seventy".