312021302230000 has 400 divisors, whose sum is σ = 832721144935680. Its totient is φ = 112282099200000.

The previous prime is 312021302229929. The next prime is 312021302230063. The reversal of 312021302230000 is 32203120213.

It is a tau number, because it is divible by the number of its divisors (400).

It is a self number, because there is not a number n which added to its sum of digits gives 312021302230000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 4755157192 + ... + 4755222808.

Almost surely, 2^{312021302230000} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 312021302230000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (416360572467840).

312021302230000 is an abundant number, since it is smaller than the sum of its proper divisors (520699842705680).

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

312021302230000 is a wasteful number, since it uses less digits than its factorization.

312021302230000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66106 (or 66085 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 312021302230000 its reverse (32203120213), we get a palindrome (312053505350213).

The spelling of 312021302230000 in words is "three hundred twelve trillion, twenty-one billion, three hundred two million, two hundred thirty thousand".