312020003122212 has 96 divisors (see below), whose sum is σ = 907701215662080. Its totient is φ = 81043561912320.

The previous prime is 312020003122129. The next prime is 312020003122213. The reversal of 312020003122212 is 212221300020213.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (312020003122213) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 132553668 + ... + 134887044.

It is an arithmetic number, because the mean of its divisors is an integer number (9455220996480).

Almost surely, 2^{312020003122212} is an apocalyptic number.

It is an amenable number.

312020003122212 is an abundant number, since it is smaller than the sum of its proper divisors (595681212539868).

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

312020003122212 is a wasteful number, since it uses less digits than its factorization.

312020003122212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2478121 (or 2478119 counting only the distinct ones).

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

Adding to 312020003122212 its reverse (212221300020213), we get a palindrome (524241303142425).

The spelling of 312020003122212 in words is "three hundred twelve trillion, twenty billion, three million, one hundred twenty-two thousand, two hundred twelve".