212010222002122 has 32 divisors (see below), whose sum is σ = 337010114019600. Its totient is φ = 99852004761600.

The previous prime is 212010222002041. The next prime is 212010222002123. The reversal of 212010222002122 is 221200222010212.

It can be written as a sum of positive squares in 8 ways, for example, as 160264484712721 + 51745737289401 = 12659561^2 + 7193451^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 212010222002122.

It is not an unprimeable number, because it can be changed into a prime (212010222002123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 176822722 + ... + 178017682.

Almost surely, 2^{212010222002122} is an apocalyptic number.

212010222002122 is a deficient number, since it is larger than the sum of its proper divisors (124999892017478).

212010222002122 is a wasteful number, since it uses less digits than its factorization.

212010222002122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1269642.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 212010222002122 its reverse (221200222010212), we get a palindrome (433210444012334).

The spelling of 212010222002122 in words is "two hundred twelve trillion, ten billion, two hundred twenty-two million, two thousand, one hundred twenty-two".