212201021030312 has 32 divisors (see below), whose sum is σ = 421982073204480. Its totient is φ = 99823716231360.

The previous prime is 212201021030309. The next prime is 212201021030333. The reversal of 212201021030312 is 213030120102212.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9452992208 + ... + 9453014655.

It is an arithmetic number, because the mean of its divisors is an integer number (13186939787640).

Almost surely, 2^{212201021030312} is an apocalyptic number.

It is an amenable number.

212201021030312 is a deficient number, since it is larger than the sum of its proper divisors (209781052174168).

212201021030312 is a wasteful number, since it uses less digits than its factorization.

212201021030312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18906006953 (or 18906006949 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 212201021030312 its reverse (213030120102212), we get a palindrome (425231141132524).

The spelling of 212201021030312 in words is "two hundred twelve trillion, two hundred one billion, twenty-one million, thirty thousand, three hundred twelve".