122012122121121 has 8 divisors (see below), whose sum is σ = 162695703077824. Its totient is φ = 81334977955920.

The previous prime is 122012122121033. The next prime is 122012122121147. The reversal of 122012122121121 is 121121221210221.

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

It is not a de Polignac number, because 122012122121121 - 2²⁶ = 122012055012257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122012122121161) 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, 1609153645 + ... + 1609229466.

It is an arithmetic number, because the mean of its divisors is an integer number (20336962884728).

Almost surely, 2^{122012122121121} is an apocalyptic number.

It is an amenable number.

122012122121121 is a deficient number, since it is larger than the sum of its proper divisors (40683580956703).

122012122121121 is a wasteful number, since it uses less digits than its factorization.

122012122121121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3218395751.

The product of its (nonzero) digits is 128, while the sum is 21.

Adding to 122012122121121 its reverse (121121221210221), we get a palindrome (243133343331342).

The spelling of 122012122121121 in words is "one hundred twenty-two trillion, twelve billion, one hundred twenty-two million, one hundred twenty-one thousand, one hundred twenty-one".