121312030313 has 8 divisors (see below), whose sum is σ = 123391265760. Its totient is φ = 119233564960.

The previous prime is 121312030309. The next prime is 121312030327. The reversal of 121312030313 is 313030213121.

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 121312030313 - 2² = 121312030309 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121312032313) 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, 129818 + ... + 509388.

It is an arithmetic number, because the mean of its divisors is an integer number (15423908220).

Almost surely, 2^121312030313 is an apocalyptic number.

It is an amenable number.

121312030313 is a deficient number, since it is larger than the sum of its proper divisors (2079235447).

121312030313 is an equidigital number, since it uses as much as digits as its factorization.

121312030313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385047.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 121312030313 its reverse (313030213121), we get a palindrome (434342243434).

The spelling of 121312030313 in words is "one hundred twenty-one billion, three hundred twelve million, thirty thousand, three hundred thirteen".