212012002 has 16 divisors (see below), whose sum is σ = 323289720. Its totient is φ = 104257152.

The previous prime is 212011993. The next prime is 212012033. The reversal of 212012002 is 200210212.

It can be written as a sum of positive squares in 4 ways, for example, as 167935681 + 44076321 = 12959^2 + 6639^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 212012002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54928 + ... + 58660.

Almost surely, 2^212012002 is an apocalyptic number.

212012002 is a deficient number, since it is larger than the sum of its proper divisors (111277718).

212012002 is a wasteful number, since it uses less digits than its factorization.

212012002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4197.

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

The square root of 212012002 is about 14560.6319231000. The cubic root of 212012002 is about 596.2844478748.

Adding to 212012002 its reverse (200210212), we get a palindrome (412222214).

The spelling of 212012002 in words is "two hundred twelve million, twelve thousand, two".