312233021223000 has 128 divisors (see below), whose sum is σ = 974180579037120. Its totient is φ = 83260980633600.

The previous prime is 312233021222921. The next prime is 312233021223007. The reversal of 312233021223000 is 322120332213.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312233021223007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 226872952 + ... + 228245048.

Almost surely, 2^{312233021223000} is an apocalyptic number.

312233021223000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

312233021223000 is an abundant number, since it is smaller than the sum of its proper divisors (661947557814120).

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

312233021223000 is a wasteful number, since it uses less digits than its factorization.

312233021223000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1447974 (or 1447960 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 312233021223000 its reverse (322120332213), we get a palindrome (312555141555213).

The spelling of 312233021223000 in words is "three hundred twelve trillion, two hundred thirty-three billion, twenty-one million, two hundred twenty-three thousand".