212310323000220 has 96 divisors (see below), whose sum is σ = 594646355358720. Its totient is φ = 56599188532480.

The previous prime is 212310323000183. The next prime is 212310323000383. The reversal of 212310323000220 is 22000323013212.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3445838134 + ... + 3445899746.

It is an arithmetic number, because the mean of its divisors is an integer number (6194232868320).

Almost surely, 2^{212310323000220} is an apocalyptic number.

212310323000220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212310323000220 is an abundant number, since it is smaller than the sum of its proper divisors (382336032358500).

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

212310323000220 is a wasteful number, since it uses less digits than its factorization.

212310323000220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77835 (or 77833 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 212310323000220 its reverse (22000323013212), we get a palindrome (234310646013432).

The spelling of 212310323000220 in words is "two hundred twelve trillion, three hundred ten billion, three hundred twenty-three million, two hundred twenty", and thus it is an aban number.