212364634 has 16 divisors (see below), whose sum is σ = 337572000. Its totient is φ = 99915984.

The previous prime is 212364631. The next prime is 212364667. The reversal of 212364634 is 436463212.

212364634 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 = 212364596 and 212364605.

It is not an unprimeable number, because it can be changed into a prime (212364631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13092 + ... + 24415.

It is an arithmetic number, because the mean of its divisors is an integer number (21098250).

Almost surely, 2^212364634 is an apocalyptic number.

212364634 is a deficient number, since it is larger than the sum of its proper divisors (125207366).

212364634 is a wasteful number, since it uses less digits than its factorization.

212364634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37677.

The product of its digits is 20736, while the sum is 31.

The square root of 212364634 is about 14572.7359819630. The cubic root of 212364634 is about 596.6148576400.

The spelling of 212364634 in words is "two hundred twelve million, three hundred sixty-four thousand, six hundred thirty-four".