212310220132320 has 48 divisors (see below), whose sum is σ = 668777193418320. Its totient is φ = 56616058701824.

The previous prime is 212310220132319. The next prime is 212310220132327. The reversal of 212310220132320 is 23231022013212.

It is a tau number, because it is divible by the number of its divisors (48).

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 (212310220132327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 221156478825 + ... + 221156479784.

It is an arithmetic number, because the mean of its divisors is an integer number (13932858196215).

Almost surely, 2^{212310220132320} is an apocalyptic number.

212310220132320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212310220132320 is an abundant number, since it is smaller than the sum of its proper divisors (456466973286000).

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

212310220132320 is a wasteful number, since it uses less digits than its factorization.

212310220132320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442312958627 (or 442312958619 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 212310220132320 its reverse (23231022013212), we get a palindrome (235541242145532).

The spelling of 212310220132320 in words is "two hundred twelve trillion, three hundred ten billion, two hundred twenty million, one hundred thirty-two thousand, three hundred twenty".