122421044424 has 32 divisors (see below), whose sum is σ = 349774413120. Its totient is φ = 34977441216.

The previous prime is 122421044399. The next prime is 122421044429. The reversal of 122421044424 is 424440124221.

It is a junction number, because it is equal to n+sod(n) for n = 122421044391 and 122421044400.

It is not an unprimeable number, because it can be changed into a prime (122421044429) 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, 364348179 + ... + 364348514.

It is an arithmetic number, because the mean of its divisors is an integer number (10930450410).

Almost surely, 2^122421044424 is an apocalyptic number.

122421044424 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

122421044424 is an abundant number, since it is smaller than the sum of its proper divisors (227353368696).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122421044424 is a wasteful number, since it uses less digits than its factorization.

122421044424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 728696709 (or 728696705 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 30.

Adding to 122421044424 its reverse (424440124221), we get a palindrome (546861168645).

The spelling of 122421044424 in words is "one hundred twenty-two billion, four hundred twenty-one million, forty-four thousand, four hundred twenty-four".