121212231301 has 8 divisors (see below), whose sum is σ = 146676985920. Its totient is φ = 97784657088.

The previous prime is 121212231293. The next prime is 121212231313. The reversal of 121212231301 is 103132212121.

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

It is a cyclic number.

It is not a de Polignac number, because 121212231301 - 2³ = 121212231293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121212231901) 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, 509294971 + ... + 509295208.

It is an arithmetic number, because the mean of its divisors is an integer number (18334623240).

Almost surely, 2^121212231301 is an apocalyptic number.

It is an amenable number.

121212231301 is a deficient number, since it is larger than the sum of its proper divisors (25464754619).

121212231301 is a wasteful number, since it uses less digits than its factorization.

121212231301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1018590203.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 121212231301 its reverse (103132212121), we get a palindrome (224344443422).

It can be divided in two parts, 12121 and 2231301, that added together give a palindrome (2243422).

The spelling of 121212231301 in words is "one hundred twenty-one billion, two hundred twelve million, two hundred thirty-one thousand, three hundred one".