212645030 has 32 divisors (see below), whose sum is σ = 416858400. Its totient is φ = 77628672.

The previous prime is 212645029. The next prime is 212645057. The reversal of 212645030 is 30546212.

212645030 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 = 212644987 and 212645005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2381 + ... + 20759.

It is an arithmetic number, because the mean of its divisors is an integer number (13026825).

Almost surely, 2^212645030 is an apocalyptic number.

212645030 is a deficient number, since it is larger than the sum of its proper divisors (204213370).

212645030 is a wasteful number, since it uses less digits than its factorization.

212645030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18488.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 212645030 is about 14582.3533765987. The cubic root of 212645030 is about 596.8773226338.

The spelling of 212645030 in words is "two hundred twelve million, six hundred forty-five thousand, thirty".