212102201212012 has 12 divisors (see below), whose sum is σ = 376263493931416. Its totient is φ = 104598345803040.

The previous prime is 212102201212001. The next prime is 212102201212021. The reversal of 212102201212012 is 210212102201212.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 363188700414 + ... + 363188700997.

Almost surely, 2^{212102201212012} is an apocalyptic number.

It is an amenable number.

212102201212012 is a deficient number, since it is larger than the sum of its proper divisors (164161292719404).

212102201212012 is a wasteful number, since it uses less digits than its factorization.

212102201212012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 726377401488 (or 726377401486 counting only the distinct ones).

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

Adding to 212102201212012 its reverse (210212102201212), we get a palindrome (422314303413224).

The spelling of 212102201212012 in words is "two hundred twelve trillion, one hundred two billion, two hundred one million, two hundred twelve thousand, twelve".