212010004 has 12 divisors (see below), whose sum is σ = 372339828. Its totient is φ = 105627200.

The previous prime is 212009989. The next prime is 212010041. The reversal of 212010004 is 400010212.

212010004 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 172922500 + 39087504 = 13150^2 + 6252^2 .

It is a congruent number.

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, 93187 + ... + 95434.

It is an arithmetic number, because the mean of its divisors is an integer number (31028319).

Almost surely, 2^212010004 is an apocalyptic number.

It is an amenable number.

212010004 is a deficient number, since it is larger than the sum of its proper divisors (160329824).

212010004 is a wasteful number, since it uses less digits than its factorization.

212010004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188906 (or 188904 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 212010004 is about 14560.5633132788. The cubic root of 212010004 is about 596.2825747417.

Adding to 212010004 its reverse (400010212), we get a palindrome (612020216).

The spelling of 212010004 in words is "two hundred twelve million, ten thousand, four".