312021014443012 has 12 divisors (see below), whose sum is σ = 624042028886080. Its totient is φ = 133723291904136.

The previous prime is 312021014442961. The next prime is 312021014443031. The reversal of 312021014443012 is 210344410120213.

It is a happy number.

312021014443012 is an admirable number.

It is a super-2 number, since 2×312021014443012² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 11143607658679 = 312021014443012 / (3 + 1 + 2 + 0 + 2 + 1 + 0 + 1 + 4 + 4 + 4 + 3 + 0 + 1 + 2).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5571803829312 + ... + 5571803829367.

Almost surely, 2^{312021014443012} is an apocalyptic number.

It is an amenable number.

312021014443012 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

312021014443012 is a wasteful number, since it uses less digits than its factorization.

312021014443012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11143607658690 (or 11143607658688 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 312021014443012 its reverse (210344410120213), we get a palindrome (522365424563225).

The spelling of 312021014443012 in words is "three hundred twelve trillion, twenty-one billion, fourteen million, four hundred forty-three thousand, twelve".