312312230121 has 8 divisors (see below), whose sum is σ = 416515211424. Its totient is φ = 208158701120.

The previous prime is 312312230089. The next prime is 312312230137. The reversal of 312312230121 is 121032213213.

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 312312230121 - 2⁵ = 312312230089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (312312230141) 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, 12348336 + ... + 12373601.

It is an arithmetic number, because the mean of its divisors is an integer number (52064401428).

Almost surely, 2^312312230121 is an apocalyptic number.

It is an amenable number.

312312230121 is a deficient number, since it is larger than the sum of its proper divisors (104202981303).

312312230121 is a wasteful number, since it uses less digits than its factorization.

312312230121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24726151.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 312312230121 its reverse (121032213213), we get a palindrome (433344443334).

The spelling of 312312230121 in words is "three hundred twelve billion, three hundred twelve million, two hundred thirty thousand, one hundred twenty-one".