212112212200012 has 24 divisors (see below), whose sum is σ = 371722782149936. Its totient is φ = 105905742720768.

The previous prime is 212112212199989. The next prime is 212112212200043. The reversal of 212112212200012 is 210002212211212.

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, 16424848 + ... + 26343880.

Almost surely, 2^{212112212200012} is an apocalyptic number.

It is an amenable number.

212112212200012 is a deficient number, since it is larger than the sum of its proper divisors (159610569949924).

212112212200012 is a wasteful number, since it uses less digits than its factorization.

212112212200012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9926617 (or 9926615 counting only the distinct ones).

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

Adding to 212112212200012 its reverse (210002212211212), we get a palindrome (422114424411224).

The spelling of 212112212200012 in words is "two hundred twelve trillion, one hundred twelve billion, two hundred twelve million, two hundred thousand, twelve".