312010240321121 has 8 divisors (see below), whose sum is σ = 315192884649984. Its totient is φ = 308832534154960.

The previous prime is 312010240321067. The next prime is 312010240321183. The reversal of 312010240321121 is 121123042010213.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-312010240321121 is a prime.

It is a super-2 number, since 2×312010240321121² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312010240321921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1234413665 + ... + 1234666398.

It is an arithmetic number, because the mean of its divisors is an integer number (39399110581248).

Almost surely, 2^{312010240321121} is an apocalyptic number.

It is an amenable number.

312010240321121 is a deficient number, since it is larger than the sum of its proper divisors (3182644328863).

312010240321121 is a wasteful number, since it uses less digits than its factorization.

312010240321121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2469081351.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 312010240321121 its reverse (121123042010213), we get a palindrome (433133282331334).

The spelling of 312010240321121 in words is "three hundred twelve trillion, ten billion, two hundred forty million, three hundred twenty-one thousand, one hundred twenty-one".