122012110122121 has 8 divisors (see below), whose sum is σ = 122095404502344. Its totient is φ = 121928816972160.

The previous prime is 122012110122083. The next prime is 122012110122187. The reversal of 122012110122121 is 121221011210221.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1900154728521 + 120111955393600 = 1378461^2 + 10959560^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 122012110122121 - 2⁹ = 122012110121609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122012110125121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 293618331 + ... + 294033583.

It is an arithmetic number, because the mean of its divisors is an integer number (15261925562793).

Almost surely, 2^{122012110122121} is an apocalyptic number.

It is an amenable number.

122012110122121 is a deficient number, since it is larger than the sum of its proper divisors (83294380223).

122012110122121 is a wasteful number, since it uses less digits than its factorization.

122012110122121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 615131.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 122012110122121 its reverse (121221011210221), we get a palindrome (243233121332342).

The spelling of 122012110122121 in words is "one hundred twenty-two trillion, twelve billion, one hundred ten million, one hundred twenty-two thousand, one hundred twenty-one".