121312302201 has 24 divisors (see below), whose sum is σ = 180899846400. Its totient is φ = 78258031200.

The previous prime is 121312302197. The next prime is 121312302217. The reversal of 121312302201 is 102203213121.

121312302201 is a `hidden beast` number, since 1 + 213 + 1 + 230 + 220 + 1 = 666.

It is not a de Polignac number, because 121312302201 - 2² = 121312302197 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (121312302271) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4086231 + ... + 4115811.

It is an arithmetic number, because the mean of its divisors is an integer number (7537493600).

Almost surely, 2^121312302201 is an apocalyptic number.

It is an amenable number.

121312302201 is a deficient number, since it is larger than the sum of its proper divisors (59587544199).

121312302201 is a wasteful number, since it uses less digits than its factorization.

121312302201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44317 (or 44314 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 121312302201 its reverse (102203213121), we get a palindrome (223515515322).

The spelling of 121312302201 in words is "one hundred twenty-one billion, three hundred twelve million, three hundred two thousand, two hundred one".