121422533123 has 8 divisors (see below), whose sum is σ = 123752587536. Its totient is φ = 119093925600.

The previous prime is 121422533101. The next prime is 121422533137. The reversal of 121422533123 is 321335224121.

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

It is not a de Polignac number, because 121422533123 - 2¹² = 121422529027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121422533623) 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, 191513 + ... + 528698.

It is an arithmetic number, because the mean of its divisors is an integer number (15469073442).

Almost surely, 2^121422533123 is an apocalyptic number.

121422533123 is a deficient number, since it is larger than the sum of its proper divisors (2330054413).

121422533123 is an equidigital number, since it uses as much as digits as its factorization.

121422533123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 723445.

The product of its digits is 8640, while the sum is 29.

Adding to 121422533123 its reverse (321335224121), we get a palindrome (442757757244).

The spelling of 121422533123 in words is "one hundred twenty-one billion, four hundred twenty-two million, five hundred thirty-three thousand, one hundred twenty-three".