212201222011122 has 16 divisors (see below), whose sum is σ = 426016141531200. Its totient is φ = 70464791085552.

The previous prime is 212201222011117. The next prime is 212201222011199. The reversal of 212201222011122 is 221110222102212.

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, 67237394497 + ... + 67237397652.

It is an arithmetic number, because the mean of its divisors is an integer number (26626008845700).

Almost surely, 2^{212201222011122} is an apocalyptic number.

212201222011122 is an abundant number, since it is smaller than the sum of its proper divisors (213814919520078).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212201222011122 is a wasteful number, since it uses less digits than its factorization.

212201222011122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134474792417.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 212201222011122 its reverse (221110222102212), we get a palindrome (433311444113334).

The spelling of 212201222011122 in words is "two hundred twelve trillion, two hundred one billion, two hundred twenty-two million, eleven thousand, one hundred twenty-two".