312223131210000 has 200 divisors, whose sum is σ = 1040410735792384. Its totient is φ = 80573711040000.

The previous prime is 312223131209999. The next prime is 312223131210041. The reversal of 312223131210000 is 12131322213.

It is a tau number, because it is divible by the number of its divisors (200).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 166931899 + ... + 168791898.

Almost surely, 2^{312223131210000} is an apocalyptic number.

312223131210000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

312223131210000 is an abundant number, since it is smaller than the sum of its proper divisors (728187604582384).

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

312223131210000 is a wasteful number, since it uses less digits than its factorization.

312223131210000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335723859 (or 335723838 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 312223131210000 its reverse (12131322213), we get a palindrome (312235262532213).

The spelling of 312223131210000 in words is "three hundred twelve trillion, two hundred twenty-three billion, one hundred thirty-one million, two hundred ten thousand".