212100634 has 8 divisors (see below), whose sum is σ = 323543520. Its totient is φ = 104252796.

The previous prime is 212100611. The next prime is 212100671. The reversal of 212100634 is 436001212.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 898614 + ... + 898849.

It is an arithmetic number, because the mean of its divisors is an integer number (40442940).

Almost surely, 2^212100634 is an apocalyptic number.

212100634 is a deficient number, since it is larger than the sum of its proper divisors (111442886).

212100634 is a wasteful number, since it uses less digits than its factorization.

212100634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1797524.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 212100634 is about 14563.6751543009. The cubic root of 212100634 is about 596.3675288949.

Adding to 212100634 its reverse (436001212), we get a palindrome (648101846).

The spelling of 212100634 in words is "two hundred twelve million, one hundred thousand, six hundred thirty-four".