212001012002 has 24 divisors (see below), whose sum is σ = 344440010916. Its totient is φ = 97819577856.

The previous prime is 212001011987. The next prime is 212001012011. The reversal of 212001012002 is 200210100212.

It is a happy number.

212001012002 is digitally balanced in base 2, 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 6 ways, for example, as 6530094481 + 205470917521 = 80809^2 + 453289^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1164758 + ... + 1334414.

Almost surely, 2^212001012002 is an apocalyptic number.

212001012002 is a deficient number, since it is larger than the sum of its proper divisors (132438998914).

212001012002 is a wasteful number, since it uses less digits than its factorization.

212001012002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173382 (or 173369 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 212001012002 its reverse (200210100212), we get a palindrome (412211112214).

The spelling of 212001012002 in words is "two hundred twelve billion, one million, twelve thousand, two".