12122112020122 has 8 divisors (see below), whose sum is σ = 19581873263316. Its totient is φ = 5594820932352.

The previous prime is 12122112020119. The next prime is 12122112020149. The reversal of 12122112020122 is 22102021122121.

It can be written as a sum of positive squares in 2 ways, for example, as 12013772955921 + 108339064201 = 3466089^2 + 329149^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 12122112020122.

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, 233117538823 + ... + 233117538874.

Almost surely, 2^{12122112020122} is an apocalyptic number.

12122112020122 is a deficient number, since it is larger than the sum of its proper divisors (7459761243194).

12122112020122 is a wasteful number, since it uses less digits than its factorization.

12122112020122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466235077712.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 12122112020122 its reverse (22102021122121), we get a palindrome (34224133142243).

The spelling of 12122112020122 in words is "twelve trillion, one hundred twenty-two billion, one hundred twelve million, twenty thousand, one hundred twenty-two".