312022300021 has 8 divisors (see below), whose sum is σ = 312723468288. Its totient is φ = 311321238000.

The previous prime is 312022300013. The next prime is 312022300049. The reversal of 312022300021 is 120003220213.

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 312022300021 - 2³ = 312022300013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 312022299968 and 312022300004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312022301021) 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, 10251736 + ... + 10282126.

It is an arithmetic number, because the mean of its divisors is an integer number (39090433536).

Almost surely, 2^312022300021 is an apocalyptic number.

It is an amenable number.

312022300021 is a deficient number, since it is larger than the sum of its proper divisors (701168267).

312022300021 is a wasteful number, since it uses less digits than its factorization.

312022300021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53123.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 312022300021 its reverse (120003220213), we get a palindrome (432025520234).

The spelling of 312022300021 in words is "three hundred twelve billion, twenty-two million, three hundred thousand, twenty-one".