212235004 has 24 divisors (see below), whose sum is σ = 395917200. Its totient is φ = 99200256.

The previous prime is 212234993. The next prime is 212235031. The reversal of 212235004 is 400532212.

212235004 is digitally balanced in base 3, 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 7 ways as a sum of consecutive naturals, for example, 342 + ... + 20605.

It is an arithmetic number, because the mean of its divisors is an integer number (16496550).

Almost surely, 2^212235004 is an apocalyptic number.

It is an amenable number.

212235004 is a deficient number, since it is larger than the sum of its proper divisors (183682196).

212235004 is a wasteful number, since it uses less digits than its factorization.

212235004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21117 (or 21115 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 212235004 is about 14568.2876138550. The cubic root of 212235004 is about 596.4934392347.

Adding to 212235004 its reverse (400532212), we get a palindrome (612767216).

It can be divided in two parts, 21 and 2235004, that added together give a square (2235025 = 1495²).

The spelling of 212235004 in words is "two hundred twelve million, two hundred thirty-five thousand, four".