212001012102212 has 6 divisors (see below), whose sum is σ = 371001771178878. Its totient is φ = 106000506051104.

The previous prime is 212001012102197. The next prime is 212001012102233. The reversal of 212001012102212 is 212201210100212.

It can be written as a sum of positive squares in only one way, i.e., 190954424527876 + 21046587574336 = 13818626^2 + 4587656^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26500126512773 + ... + 26500126512780.

It is an arithmetic number, because the mean of its divisors is an integer number (61833628529813).

Almost surely, 2^{212001012102212} is an apocalyptic number.

It is an amenable number.

212001012102212 is a deficient number, since it is larger than the sum of its proper divisors (159000759076666).

212001012102212 is a wasteful number, since it uses less digits than its factorization.

212001012102212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53000253025557 (or 53000253025555 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 212001012102212 its reverse (212201210100212), we get a palindrome (424202222202424).

The spelling of 212001012102212 in words is "two hundred twelve trillion, one billion, twelve million, one hundred two thousand, two hundred twelve".