122312112454444 has 24 divisors (see below), whose sum is σ = 234714812140368. Its totient is φ = 55308350423040.

The previous prime is 122312112454439. The next prime is 122312112454447. The reversal of 122312112454444 is 444454211213221.

It is a junction number, because it is equal to n+sod(n) for n = 122312112454397 and 122312112454406.

It is not an unprimeable number, because it can be changed into a prime (122312112454447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7201599637 + ... + 7201616620.

It is an arithmetic number, because the mean of its divisors is an integer number (9779783839182).

Almost surely, 2^{122312112454444} is an apocalyptic number.

It is an amenable number.

122312112454444 is a deficient number, since it is larger than the sum of its proper divisors (112402699685924).

122312112454444 is a wasteful number, since it uses less digits than its factorization.

122312112454444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14403216465 (or 14403216463 counting only the distinct ones).

The product of its digits is 245760, while the sum is 40.

Adding to 122312112454444 its reverse (444454211213221), we get a palindrome (566766323667665).

The spelling of 122312112454444 in words is "one hundred twenty-two trillion, three hundred twelve billion, one hundred twelve million, four hundred fifty-four thousand, four hundred forty-four".