212033004 has 12 divisors (see below), whose sum is σ = 494743704. Its totient is φ = 70677664.

The previous prime is 212032981. The next prime is 212033009. The reversal of 212033004 is 400330212.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (212033009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8834697 + ... + 8834720.

It is an arithmetic number, because the mean of its divisors is an integer number (41228642).

Almost surely, 2^212033004 is an apocalyptic number.

It is an amenable number.

212033004 is an abundant number, since it is smaller than the sum of its proper divisors (282710700).

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

212033004 is a wasteful number, since it uses less digits than its factorization.

212033004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17669424 (or 17669422 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 212033004 is about 14561.3530964674. The cubic root of 212033004 is about 596.3041366225.

Adding to 212033004 its reverse (400330212), we get a palindrome (612363216).

The spelling of 212033004 in words is "two hundred twelve million, thirty-three thousand, four".