312020021322021 has 8 divisors (see below), whose sum is σ = 416026861505280. Its totient is φ = 208013264343392.

The previous prime is 312020021321989. The next prime is 312020021322091. The reversal of 312020021322021 is 120223120020213.

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 312020021322021 - 2⁵ = 312020021321989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312020021322091) 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, 11450616 + ... + 27480113.

It is an arithmetic number, because the mean of its divisors is an integer number (52003357688160).

Almost surely, 2^{312020021322021} is an apocalyptic number.

It is an amenable number.

312020021322021 is a deficient number, since it is larger than the sum of its proper divisors (104006840183259).

312020021322021 is a wasteful number, since it uses less digits than its factorization.

312020021322021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41602315.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 312020021322021 its reverse (120223120020213), we get a palindrome (432243141342234).

The spelling of 312020021322021 in words is "three hundred twelve trillion, twenty billion, twenty-one million, three hundred twenty-two thousand, twenty-one".