312201222023000 has 64 divisors (see below), whose sum is σ = 735806621440800. Its totient is φ = 123982067971200.

The previous prime is 312201222022957. The next prime is 312201222023027. The reversal of 312201222023000 is 320222102213.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

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, 1122886979 + ... + 1123164978.

Almost surely, 2^{312201222023000} is an apocalyptic number.

It is an amenable number.

312201222023000 is an abundant number, since it is smaller than the sum of its proper divisors (423605399417800).

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

312201222023000 is a wasteful number, since it uses less digits than its factorization.

312201222023000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2246052117 (or 2246052103 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 312201222023000 its reverse (320222102213), we get a palindrome (312521444125213).

The spelling of 312201222023000 in words is "three hundred twelve trillion, two hundred one billion, two hundred twenty-two million, twenty-three thousand".