212300031023000 has 128 divisors (see below), whose sum is σ = 531914714697600. Its totient is φ = 79026686464000.

The previous prime is 212300031022993. The next prime is 212300031023009. The reversal of 212300031023000 is 320130003212.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 212300031023000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212300031023009) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 68645636 + ... + 71671635.

It is an arithmetic number, because the mean of its divisors is an integer number (4155583708575).

Almost surely, 2^{212300031023000} is an apocalyptic number.

212300031023000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212300031023000 is an abundant number, since it is smaller than the sum of its proper divisors (319614683674600).

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

212300031023000 is a wasteful number, since it uses less digits than its factorization.

212300031023000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140317398 (or 140317384 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 212300031023000 its reverse (320130003212), we get a palindrome (212620161026212).

The spelling of 212300031023000 in words is "two hundred twelve trillion, three hundred billion, thirty-one million, twenty-three thousand".