212012122112002 has 64 divisors (see below), whose sum is σ = 338875610381280. Its totient is φ = 99135608979456.

The previous prime is 212012122111943. The next prime is 212012122112017. The reversal of 212012122112002 is 200211221210212.

It can be written as a sum of positive squares in 16 ways, for example, as 9628180790761 + 202383941321241 = 3102931^2 + 14226171^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5051615274 + ... + 5051657242.

Almost surely, 2^{212012122112002} is an apocalyptic number.

212012122112002 is a deficient number, since it is larger than the sum of its proper divisors (126863488269278).

212012122112002 is a wasteful number, since it uses less digits than its factorization.

212012122112002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43735.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 212012122112002 its reverse (200211221210212), we get a palindrome (412223343322214).

The spelling of 212012122112002 in words is "two hundred twelve trillion, twelve billion, one hundred twenty-two million, one hundred twelve thousand, two".