212223304113420 has 96 divisors (see below), whose sum is σ = 594539889011712. Its totient is φ = 56562920587008.

The previous prime is 212223304113419. The next prime is 212223304113523. The reversal of 212223304113420 is 24311403322212.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 1492535649 + ... + 1492677831.

It is an arithmetic number, because the mean of its divisors is an integer number (6193123843872).

Almost surely, 2^{212223304113420} is an apocalyptic number.

212223304113420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212223304113420 is an abundant number, since it is smaller than the sum of its proper divisors (382316584898292).

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

212223304113420 is a wasteful number, since it uses less digits than its factorization.

212223304113420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155191 (or 155189 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 212223304113420 its reverse (24311403322212), we get a palindrome (236534707435632).

The spelling of 212223304113420 in words is "two hundred twelve trillion, two hundred twenty-three billion, three hundred four million, one hundred thirteen thousand, four hundred twenty".