212011220212012 has 96 divisors (see below), whose sum is σ = 411079306478400. Its totient is φ = 95069894295552.

The previous prime is 212011220211997. The next prime is 212011220212013. The reversal of 212011220212012 is 210212022110212.

It is not an unprimeable number, because it can be changed into a prime (212011220212013) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 620476398 + ... + 620817994.

It is an arithmetic number, because the mean of its divisors is an integer number (4282076109150).

Almost surely, 2^{212011220212012} is an apocalyptic number.

It is an amenable number.

212011220212012 is a deficient number, since it is larger than the sum of its proper divisors (199068086266388).

212011220212012 is a wasteful number, since it uses less digits than its factorization.

212011220212012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344035 (or 344033 counting only the distinct ones).

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

Adding to 212011220212012 its reverse (210212022110212), we get a palindrome (422223242322224).

The spelling of 212011220212012 in words is "two hundred twelve trillion, eleven billion, two hundred twenty million, two hundred twelve thousand, twelve".