2012222002122 has 48 divisors (see below), whose sum is σ = 4362692148360. Its totient is φ = 670298112000.

The previous prime is 2012222002103. The next prime is 2012222002123. The reversal of 2012222002122 is 2212002222102.

2012222002122 is a `hidden beast` number, since 201 + 222 + 200 + 21 + 22 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1177591758561 + 834630243561 = 1085169^2 + 913581^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2012222002095 and 2012222002104.

It is not an unprimeable number, because it can be changed into a prime (2012222002123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 261970122 + ... + 261977802.

Almost surely, 2^{2012222002122} is an apocalyptic number.

2012222002122 is an abundant number, since it is smaller than the sum of its proper divisors (2350470146238).

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

2012222002122 is a wasteful number, since it uses less digits than its factorization.

2012222002122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15399 (or 15396 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 2012222002122 its reverse (2212002222102), we get a palindrome (4224224224224).

The spelling of 2012222002122 in words is "two trillion, twelve billion, two hundred twenty-two million, two thousand, one hundred twenty-two".