121312210312113 has 8 divisors (see below), whose sum is σ = 161968490090400. Its totient is φ = 80765368704288.

The previous prime is 121312210312087. The next prime is 121312210312123. The reversal of 121312210312113 is 311213012213121.

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

It is not a de Polignac number, because 121312210312113 - 2³³ = 121303620377521 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121312210312123) 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, 27359540028 + ... + 27359544461.

It is an arithmetic number, because the mean of its divisors is an integer number (20246061261300).

Almost surely, 2^{121312210312113} is an apocalyptic number.

It is an amenable number.

121312210312113 is a deficient number, since it is larger than the sum of its proper divisors (40656279778287).

121312210312113 is an equidigital number, since it uses as much as digits as its factorization.

121312210312113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54719085231.

The product of its (nonzero) digits is 432, while the sum is 24.

Adding to 121312210312113 its reverse (311213012213121), we get a palindrome (432525222525234).

The spelling of 121312210312113 in words is "one hundred twenty-one trillion, three hundred twelve billion, two hundred ten million, three hundred twelve thousand, one hundred thirteen".