213212002 has 12 divisors (see below), whose sum is σ = 331229106. Its totient is φ = 102929120.

The previous prime is 213211993. The next prime is 213212029. The reversal of 213212002 is 200212312.

It can be written as a sum of positive squares in 3 ways, for example, as 213189201 + 22801 = 14601^2 + 151^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 61699 + ... + 65062.

Almost surely, 2^213212002 is an apocalyptic number.

213212002 is a deficient number, since it is larger than the sum of its proper divisors (118017104).

213212002 is a wasteful number, since it uses less digits than its factorization.

213212002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126821 (or 126792 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 213212002 is about 14601.7807818088. The cubic root of 213212002 is about 597.4073333062.

Adding to 213212002 its reverse (200212312), we get a palindrome (413424314).

The spelling of 213212002 in words is "two hundred thirteen million, two hundred twelve thousand, two".