212201022012212 has 24 divisors (see below), whose sum is σ = 391232730252000. Its totient is φ = 100429845104736.

The previous prime is 212201022012181. The next prime is 212201022012257. The reversal of 212201022012212 is 212210220102212.

It is a super-2 number, since 2×212201022012212² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1200306587 + ... + 1200483362.

It is an arithmetic number, because the mean of its divisors is an integer number (16301363760500).

Almost surely, 2^{212201022012212} is an apocalyptic number.

It is an amenable number.

212201022012212 is a deficient number, since it is larger than the sum of its proper divisors (179031708239788).

212201022012212 is a wasteful number, since it uses less digits than its factorization.

212201022012212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2400791135 (or 2400791133 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 212201022012212 its reverse (212210220102212), we get a palindrome (424411242114424).

The spelling of 212201022012212 in words is "two hundred twelve trillion, two hundred one billion, twenty-two million, twelve thousand, two hundred twelve".