312001141210021 has 8 divisors (see below), whose sum is σ = 313576702944120. Its totient is φ = 310429053703872.

The previous prime is 312001141210019. The next prime is 312001141210027. The reversal of 312001141210021 is 120012141100213.

It can be written as a sum of positive squares in 4 ways, for example, as 9349498713025 + 302651642496996 = 3057695^2 + 17396886^2 .

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 312001141210021 - 2¹ = 312001141210019 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312001141210027) 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, 868376926 + ... + 868736143.

It is an arithmetic number, because the mean of its divisors is an integer number (39197087868015).

Almost surely, 2^{312001141210021} is an apocalyptic number.

It is an amenable number.

312001141210021 is a deficient number, since it is larger than the sum of its proper divisors (1575561734099).

312001141210021 is a wasteful number, since it uses less digits than its factorization.

312001141210021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1737113975.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 312001141210021 its reverse (120012141100213), we get a palindrome (432013282310234).

The spelling of 312001141210021 in words is "three hundred twelve trillion, one billion, one hundred forty-one million, two hundred ten thousand, twenty-one".