212100001120012 has 6 divisors (see below), whose sum is σ = 371175001960028. Its totient is φ = 106050000560004.

The previous prime is 212100001119931. The next prime is 212100001120067. The reversal of 212100001120012 is 210021100001212.

It is a junction number, because it is equal to n+sod(n) for n = 212100001119974 and 212100001120001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26512500139998 + ... + 26512500140005.

Almost surely, 2^{212100001120012} is an apocalyptic number.

It is an amenable number.

212100001120012 is a deficient number, since it is larger than the sum of its proper divisors (159075000840016).

212100001120012 is a wasteful number, since it uses less digits than its factorization.

212100001120012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53025000280007 (or 53025000280005 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 212100001120012 its reverse (210021100001212), we get a palindrome (422121101121224).

The spelling of 212100001120012 in words is "two hundred twelve trillion, one hundred billion, one million, one hundred twenty thousand, twelve".