212223312311320 has 16 divisors (see below), whose sum is σ = 477502452700560. Its totient is φ = 84889324924512.

The previous prime is 212223312311317. The next prime is 212223312311333. The reversal of 212223312311320 is 23113213322212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2652791403852 + ... + 2652791403931.

It is an arithmetic number, because the mean of its divisors is an integer number (29843903293785).

Almost surely, 2^{212223312311320} is an apocalyptic number.

212223312311320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212223312311320 is an abundant number, since it is smaller than the sum of its proper divisors (265279140389240).

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

212223312311320 is a wasteful number, since it uses less digits than its factorization.

212223312311320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5305582807794 (or 5305582807790 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 212223312311320 its reverse (23113213322212), we get a palindrome (235336525633532).

The spelling of 212223312311320 in words is "two hundred twelve trillion, two hundred twenty-three billion, three hundred twelve million, three hundred eleven thousand, three hundred twenty".