122421144254212 has 12 divisors (see below), whose sum is σ = 214734072059136. Its totient is φ = 61068552237320.

The previous prime is 122421144254183. The next prime is 122421144254239. The reversal of 122421144254212 is 212452441124221.

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, 35504970508 + ... + 35504973955.

It is an arithmetic number, because the mean of its divisors is an integer number (17894506004928).

Almost surely, 2^{122421144254212} is an apocalyptic number.

It is an amenable number.

122421144254212 is a deficient number, since it is larger than the sum of its proper divisors (92312927804924).

122421144254212 is a wasteful number, since it uses less digits than its factorization.

122421144254212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71009944898 (or 71009944896 counting only the distinct ones).

The product of its digits is 81920, while the sum is 37.

Adding to 122421144254212 its reverse (212452441124221), we get a palindrome (334873585378433).

The spelling of 122421144254212 in words is "one hundred twenty-two trillion, four hundred twenty-one billion, one hundred forty-four million, two hundred fifty-four thousand, two hundred twelve".