312202220304012 has 48 divisors (see below), whose sum is σ = 730072177171680. Its totient is φ = 103838792159232.

The previous prime is 312202220303993. The next prime is 312202220304053. The reversal of 312202220304012 is 210403022202213.

It is a super-2 number, since 2×312202220304012² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1027204164 + ... + 1027508052.

It is an arithmetic number, because the mean of its divisors is an integer number (15209837024410).

Almost surely, 2^{312202220304012} is an apocalyptic number.

It is an amenable number.

312202220304012 is an abundant number, since it is smaller than the sum of its proper divisors (417869956867668).

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

312202220304012 is a wasteful number, since it uses less digits than its factorization.

312202220304012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491690 (or 491688 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 312202220304012 its reverse (210403022202213), we get a palindrome (522605242506225).

The spelling of 312202220304012 in words is "three hundred twelve trillion, two hundred two billion, two hundred twenty million, three hundred four thousand, twelve".