212121200001002 has 16 divisors (see below), whose sum is σ = 325582100112192. Its totient is φ = 103593844257120.

The previous prime is 212121200000977. The next prime is 212121200001019. The reversal of 212121200001002 is 200100002121212.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40056803 + ... + 45042089.

It is an arithmetic number, because the mean of its divisors is an integer number (20348881257012).

Almost surely, 2^{212121200001002} is an apocalyptic number.

212121200001002 is a deficient number, since it is larger than the sum of its proper divisors (113460900111190).

212121200001002 is a wasteful number, since it uses less digits than its factorization.

212121200001002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5480093.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 212121200001002 its reverse (200100002121212), we get a palindrome (412221202122214).

The spelling of 212121200001002 in words is "two hundred twelve trillion, one hundred twenty-one billion, two hundred million, one thousand, two".