12122222100122 has 8 divisors (see below), whose sum is σ = 18387640264500. Its totient is φ = 5993008678624.

The previous prime is 12122222100049. The next prime is 12122222100161. The reversal of 12122222100122 is 22100122222121.

It can be written as a sum of positive squares in 2 ways, for example, as 11578700757001 + 543521343121 = 3402749^2 + 737239^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 12122222100094 and 12122222100103.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34051185497 + ... + 34051185852.

Almost surely, 2^{12122222100122} is an apocalyptic number.

12122222100122 is a deficient number, since it is larger than the sum of its proper divisors (6265418164378).

12122222100122 is an equidigital number, since it uses as much as digits as its factorization.

12122222100122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68102371440.

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

Adding to 12122222100122 its reverse (22100122222121), we get a palindrome (34222344322243).

The spelling of 12122222100122 in words is "twelve trillion, one hundred twenty-two billion, two hundred twenty-two million, one hundred thousand, one hundred twenty-two".