122112021242 has 8 divisors (see below), whose sum is σ = 183336542976. Its totient is φ = 60999840252.

The previous prime is 122112021223. The next prime is 122112021271. The reversal of 122112021242 is 242120211221.

It is a happy number.

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

It is a super-2 number, since 2×122112021242² (a number of 23 digits) contains 22 as substring.

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, 28082468 + ... + 28086815.

It is an arithmetic number, because the mean of its divisors is an integer number (22917067872).

Almost surely, 2^122112021242 is an apocalyptic number.

122112021242 is a deficient number, since it is larger than the sum of its proper divisors (61224521734).

122112021242 is a wasteful number, since it uses less digits than its factorization.

122112021242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56170372.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 122112021242 its reverse (242120211221), we get a palindrome (364232232463).

The spelling of 122112021242 in words is "one hundred twenty-two billion, one hundred twelve million, twenty-one thousand, two hundred forty-two".